Use Remainder Theorem to determine if x-2 is a factor of the polynomial f(x)=3x^5 - 7x^3 -
11x^2 + 2

Use Remainder Theorem To Determine If X-2 Is A Factor Of The Polynomial F(x)=3x^5 - 7x^3 - 11x^2 + 2

Answers

Answer 1

Answer:

(x - 2) is not a factor of f(x)  = 3x^5 - 7x^3 -  11x^2 + 2

Step-by-step explanation:

According to the Remainder Theorem, when a polynomial f(x) is divided by a term (x - r), then the remainder must be f(r).

So first we will divide f(x) by (x - 2) using long division to get:

(3x^5 - 7x^3 -  11x^2 + 2) / (x - 2)

= 3x^4 + (6x^4 - 7x^3 - 11x^2 + 2) / (x-2)

= 3x^4 + 6x^3 + (5x^3-11x^2+2) / (x - 2)

= 3x^4 + 6x^3 + 5x^2 (-x^2 + 2) / (x - 2)

= 3x^4 + 6x^3 + 5x^2 -x -2 - (2) / (x -2)

= [tex]\frac{-2 + 3x^{5} - 7x^{3} - 11x^{2} + 2x}{x - 2} - 2[/tex]

Therefore the remainder is -2.

Now check x = 2 for 3x^5 - 7x^3 -  11x^2 + 2:

3(2)^5 - 7(2)^3 -  11(2)^2 + 2 = -2

The Remainder Factor theorem also states that if (x - r) is a factor of f(x) then f(r) must be 0.

So we found that f(2) = -2, therfore (x - 2) is not a factor of f(x) .


Answer 2

Answer:

Answers to the Complex Zeroes of a Polynomial Function Quiz Part 1 (I tried to signify each question)

Step-by-step explanation:

1. C, f(x) is a polynomial function. The degree is 5... -7

2. A, f(x)=7x^9-3x^2-6

3. C,D

4. Written

5. Rational Zero Theorem, B

6. Written

7. B, -5,-2, 3

8. A, (4 + 6i, -2 -11i)

9. D, (2,3, plus minus sqrt 5i)


Related Questions

What is the range of the function of y=4e^x

Answers

What does the graph of eˣ look like?  It has an asymptote at y = 0, passes through (0, 1) and goes to ∞.

y = 4eˣ has a vertical stretch by a factor of 4 compared to the parent graph so the range is the same as it's parent graph.

Range: y > 0     Interval Notation: (0, ∞)

Use the probability distribution table to answer the question.

What is P(1

Answers

ANSWER


[tex]P(1<X<5)=0.51[/tex]



EXPLANATION.




The probability of selecting a number between 1 and 5 can be calculated by summing all probabilities between 1 and 5



[tex]P(1<X<5)=P(X=2)+P(X=3)+P(X=4)[/tex]



[tex]P(1<X<5)=0.07+0.22+0.22[/tex]



[tex]P(1<X<5)=0.51[/tex]






Is (1, 6) a solution to this system of equations? Y = 9x + 10 y = x + 5

Answers

No, because it works for one equation and it doesn't for the other one.

The formula for the area of a triangle is A =bh/2. Solve the formula for h. (30 points)

Answers

The given formula is A= bh/2

First multiply both sides by 2:

2A = bh

Now divide both sides by b:

h = 2A/b

Determine the constant of variation for the direct variation given. The number of fat calories varies directly with the grams of fat. There are 27 calories for each 3 grams of fat.
1/3
1/9
3
9

Answers

The Correct answer would be )9

27

----     = k                 K- Constant Variation

3


Hope This Helps

-Dante

9 is correct

27/3 = 9

Please help! Question below (:

Answers

The 3 inside angles of a triangle need to equal 180 degrees.


You are given 28 for one.

The second on is adding 58 + 77 = 135 degrees.


X = 180 - 28 - 135 = 17 degrees

To keep up with rising cost a carpenter needs to increase his $30.00 per hour rate by 18% what will be his hour rate ?

Answers

Answer:

In order to keep up with rising cost carpenter needs to increase his $30.00 per hour rate to 35.40 $.

Explanation:

 To keep up with rising cost a carpenter needs to increase his $30.00 per hour rate by 18%.

So hour rate of carpenter = 30.00 $

Rate of increase = 18 % = 0.18

New hour rate = Initial hour rate + Rate of increase x Initial hour rate

                         = 30 + 0.18 x 30 = 30 + 5.4 = 35.40 $

So in order to keep up with rising cost carpenter needs to increase his $30.00 per hour rate to 35.40 $.

The carpenter's new hourly rate after an 18% increase on his current rate of $30.00 will be $35.40 per hour.

To calculate the new hourly rate with an 18% increase, first find 18% of the carpenter's current $30.00 per hour rate. The formula for calculating the percentage increase is:

Percentage increase in wage = (Current hourly rate) x (Percentage increase) / 100

In this case, the calculation would be: $30.00 x 18% / 100 = $5.40.

Next, add this increase to the current rate to find the new rate:

New hourly rate = Current hourly rate + Increase in wage

Applying the values:

New hourly rate = $30.00 + $5.40 = $35.40 per hour.

So, the carpenter needs to charge $35.40 per hour to achieve an 18% increase in his rate.

Identify the complete predicate in the sentence below.
"The settlers traveled west in covered wagons"
a. traveled west
b. settlers traveled
c. traveled west in covered wagons

Identify the simple subject and verb
"Soon, telegraph lines provided additional communication to the city."
a. lines provided
b. telegraph lines soon provided
c. lines provided communication

Answers

Solution 1:

In the given statement :

"The settlers traveled west in covered wagons"

The Predicate is traveled west in covered wagons.

So option c. traveled west in covered wagons is the correct choice.

Solution 2:

In the given sentence:

"Soon, telegraph lines provided additional communication to the city."

The simple subject and verb are given by lines provided.

Answer : Option a: lines provided.

a cone is a polyhedron.
A.)True
B.)False

Answers

The statement "a cone is a polyhedron" is false. The correction option is B.)False

What is a Polyhedron?

A polyhedron is a three-dimensional shape with flat polygonal faces, straight edges and sharp corners or vertices.

Whereas, a cone is a three-dimensional geometric figure that has a flat surface and a curved surface, and is pointed towards the top.

From the above definitions, we can infer that a cone is not a polyhedron.

Hence, the statement "a cone is a polyhedron" is false. The correction option is B.)False

Learn more on Polyhedron here: https://brainly.com/question/3204708

#SPJ1

Answer: True

Step-by-step explanation:

What are numbers that are either whole numbers or negatives of whole numbers

Answers

These are called integer numbers.

We start with natural numbers (or whole numbers), i.e. the set

[tex] \mathbb{N} = \{0,1,2,3,4,\ldots\} [/tex]

When you add the opposite of each whole number, you have the set of integers:

[tex] \mathbb{Z} = \{0,\pm1,\pm2,\pm3,\ldots\} [/tex]

Answer:the not called whole numbers there called integers

Step-by-step explanation: whole numbers are 0 1 2 3 4 and so on integers are 0 -1 -2 -3 -4 and so on

The price of a necklace was increased by 20% to ?186. What was the price before the increase?

Answers

Answer:

148.8

Step-by-step explanation:


The original price of the necklace before the 20% increase was approximately £155 (£186 / 1.20).

To find the original price of the necklace before the 20% increase, we can use the formula:

Original Price = Final Price / (1 + Percent Increase)

Given that the final price is £186 and the increase is 20%, we substitute these values into the formula:

Original Price = £186 / (1 + 0.20)

Calculating inside the parentheses first:

1 + 0.20 = 1.20

Now, divide the final price by 1.20:

Original Price = £186 / 1.20 ≈ £155

So, the original price of the necklace before the increase was approximately £155.

Hat is the greatest common factor of 20 and 36? 2 4 5 6

Answers

4 is the GCF of 20 and 36

One wintry week a ski town got 5 1/3 inches of snow. On monday the town got 2 3/4 inches; on tuesday it got 1 1/2 times as much; and on wednesday it got 7/8 inch. How much snow did the town get the rest of the week?

Answers

Answer: The amount of snow the town get the rest of the week is given by

[tex]\frac{5}{24}[/tex]

Step-by-step explanation:

[tex]\text{ Total inches of snow town got in a week }=5\frac{1}{3}=\frac{16}{3}[/tex]

[tex]\text{ Amount of snow it is receiving on Monday}=2\frac{3}{4}=\frac{11}{4}\text{ inches }[/tex]

[tex]\text{Amount of snow it is receiving on Tuesday}=1\frac{1}{2}=\frac{3}{2}\text{ inches }[/tex]

[tex]\text{Amount of snow it is receiving on Wednesday}=\frac{7}{8}\text{ inches }[/tex]

[tex]\text{Amount it is receiving in remaining week is given by}[/tex]

[tex]\frac{16}{3}-(\frac{11}{4}+\frac{3}{2}+\frac{7}{8})\\\\=\frac{16}{3}-\frac{22+12+7}{8}\\\\=\frac{16}{3}-\frac{41}{8}\\\\=\frac{128-125}{8}\\\\=\frac{5}{24}\text{ inches }[/tex]

So, the amount of snow the town get the rest of the week is given by

[tex]\frac{5}{24}\text{ inches }[/tex]

Tom paid $245.97 for a laptop. This was 3/5 of the original price. What was the original price?

Answers

Let us say original price of the laptop was x dollars.

Price paid by Tom for the laptop = $245.97

Now this price paid by tom was 3/5 of the original price.

So we can make an equation using this information as :

[tex]\frac{3}{5}x=245.97[/tex]

So here 3/5 is in multiplication on the left, so dividing it on the right side we have:

x=409.95

So the original price of the laptop was $409.95

Answer: The original price of the laptop was 409.95 dollars.

Answer:

$409.95

I hope this helps. Have a nice day :D

Which values of P and Q result in an equation with no solutions? Qx+P=33x+25

Answers

Answer:


Step-by-step explanation:


Bryan paid $19.95 for 2.5 pounds of turkey.What was the price per pound

Answers

Final answer:

The price per pound of turkey is $7.98.

Explanation:

To find the price per pound, divide the total cost by the weight. In this case, Bryan paid $19.95 for 2.5 pounds of turkey. So, the price per pound is $19.95 divided by 2.5, which is $7.98 per pound.To calculate the price per pound of turkey that Bryan paid, we divide the total cost by the total weight. Bryan paid $19.95 for 2.5 pounds of turkey.

Divide the total cost by the total weight in pounds.

$19.95 ÷ 2.5 pounds = $7.98 per pound

Thus, the price per pound of turkey that Bryan paid is $7.98.

Gina bought 2.3 pounds of red apples and 2.42 pounds of green apples. They were on sale for $0.75 a pound. How much did the apples cost together?

Answers

4. 72•0.75= $3.54 is the correct answer

Geoff has a bag that contains 4 red marbles and 6 blue marbles. He chooses two marbles at random and does not replace them. What is the probability that the first marble is blue and the second marble is red? A. B. C. D.

Answers

Total number of marbles = 10

Number of red marbles = 4

Number of blue marbles = 6

Probability = [tex]\frac{number of favorable outcomes}{total number of outcomes}[/tex]

The probability that the first marble is blue = [tex]\frac{6}{10}[/tex]

The probability that the first marble is red = [tex]\frac{4}{9}[/tex] ; 9 because 1 marble has already been taken out.

Joint probability= probability of event A * Probability of event B

= [tex]\frac{6}{10}\times\frac{4}{9}[/tex]=[tex]\frac{24}{90}= \frac{4}{15}[/tex]

How many times do you have to multiply 4 to get to 56?

Answers

you have to multiply 4 fourteen times to get 56.

The number [tex]27^{-\frac{2}{3} }[/tex], can be written in the form [tex]\frac{1}{\sqrt[A]{27^{B} } }[/tex]. What is the value of B?

1. [tex]\frac{2}{3}[/tex]
2. 3
3. -2
4. 2

Answers

Answer:

  4.  2

Step-by-step explanation:

The value of B in the expression is the numerator of the fraction in the exponent: 2.

[tex]27^{-\frac{2}{3}}=\dfrac{1}{\sqrt[3]{27^2}}[/tex]

_____

= 1/9

60 feet per second is equal to how many kilometers per hour

Answers

65. 8 kilometers per hour is the correct anwser

Plz Answer ASAP!!! (20 Points)

Answers

Equation is x= 558 t2/496

x=4.5

I got the answer from another brainly user asking the same question. Someone else answered it. I just typed your question into the search bar and got it. Good luck <3

Eight packages of strawberries cost $24. How many packages can you buy for $12

Answers

4 packages, because 24/12=2, 8/2=4 packages.

Mateo reproducira una foto que mide 5 cm por lado a una escala de 3/4
cuanto medira el lado del cuadrado de la copia?
la medida de la copia sera mayor o menor que la original?

Answers

the question in English

Mateo will reproduce a photo measuring 5 cm per side on a scale of 3/4

How much will the square side of the copy measure?

Will the size of the copy be larger or smaller than the original?

we know that

the scale factor is equal to [tex]\frac{3}{4}[/tex]

Let

x----------> the original length side

y--------> the copy length side

[tex]y=\frac{3}{4}*x[/tex]

we have that

[tex]x=5\ cm[/tex]

substitute the values

[tex]y=\frac{3}{4}*5=3.75\ cm[/tex]

therefore

the answer Part a) is

the length side of the copy measure is [tex]3.75\ cm[/tex]

Part b)

we know that

the size of the original photo is------> [tex]5*5=25\ cm^{2}[/tex]

the size of the copy is------> [tex]3.75*3.75=14.06\ cm^{2}[/tex]

so

[tex]14.06\ cm^{2} < 25\ cm^{2}[/tex]

therefore

the answer part b) is

The size of the copy be smaller than the original



If their food and beverages cost 25.30 and there is an 8% meals tax, how much is the bill?

Answers

25.3 × 1.08
27.324

The total bill is $27.32

X=2y^3+3 find the inverse show all work

Answers

[tex]x=2y^3+3\\\\\text{change x to y and y to x}\\\\y=2x^3+3\\-----------------------\\\text{if you did it}\\\\2y^3+3=x\ \ \ \ |-3\\\\2y^3=x-3\ \ \ \ |:2\\\\y^3=\dfrac{x-3}{2}\to\boxed{y=\sqrt[3]{\dfrac{x-3}{2}}}[/tex]

Volunteers were 3/4 finished with the walk-a-thon when they reached 4 1/2 kilometer mark how long was the walk-a-thon in kilometers

Answers

It would be 6 km because 4 1/2 divided by 3 = 1.5x4=6

6-^3
------
6-^4


A) 6-7

B) 6-1
C) 61
D) 612

Answers

The answer should be 6 I.e 6^1 as with indices rules you need to subtract the powers (-3-(-4)) which equals 1

Answer:

[tex]6^1[/tex]

Step-by-step explanation:

[tex]Use\\\\\dfrac{a^n}{a^m}=a^{n-m}\\\\\dfrac{6^{-3}}{6^{-4}}=6^{-3-(-4)}=6^{-3+4}=6^1[/tex]

Please help and show work!! Timed!! Will mark brainliest!!

Answers

​Simplify (3w²r)²(-2w⁵r²)³

(3w²r)²(-2w⁵r²)³ =​ When a power is raised to a power the exponents have to be multiplied.

​(3²w⁽²*²⁾r²)(-2³w⁽⁵*³⁾r⁽²*³⁾) = We can take out the constants

= (3²)(-2³)(w⁴r²)(w¹⁵r⁶) = We can group the same variables​

= -72(w⁴w¹⁵)(r²r⁶) = When multiplying two powers that have the same base, you have to add the exponents.

​= -72w⁽⁴⁺¹⁵⁾r⁽²⁺⁶⁾ = -72w¹⁹r⁸

​Answer : F) -72w¹⁹r⁸

​Hope this helps!​​​​

​[tex]\textit{\textbf{Spymore}}[/tex]​​​​​​​

A recipe for modeling clay requires 1/3 cup of salt. how many recipes of salt can carla make with 7 3/4 cups of salt


Answers

Answer:

- The error is: [tex](\frac{31}{4})(\frac{1}{3})[/tex]

- The correct solution is:  [tex]\frac{93}{4}=23^{\frac{1}{4}}[/tex] (Carla can make approximately 23 recipes with the clay).

Step-by-step explanation:

1. Carla must divide [tex]\frac{31}{4}[/tex] ÷ [tex]\frac{1}{3}[/tex] as following:

- Take the reciprocal of [tex]\frac{1}{3}[/tex].

- Multiply the numerators and the denominators.

Then:

[tex](\frac{31}{4})(\frac{1}{3})=\frac{(31)(3)}{(4)(1)}=\frac{93}{4}[/tex]

2. As a mixed number:

[tex]\frac{93}{4}=23^{\frac{1}{4}}[/tex]

3. Therefore, Carla can make approximately 23 recipes with the clay.


Carla can make 23 full modeling clay recipes with 7 3/4 cups of salt, with a quarter cup of salt remaining.

To find out how many recipes of modeling clay Carla can make with 7 3/4 cups of salt, we need to divide the total amount of salt she has by the amount required for one recipe. Since one recipe requires 1/3 cup of salt, we will perform the following division: 7 3/4 divided by 1/3.

To simplify this, first, convert 7 3/4 to an improper fraction, which is (7 × 4 + 3)/4, or 31/4. Now, dividing by a fraction is the same as multiplying by its reciprocal. Therefore, we multiply 31/4 by the reciprocal of 1/3, which is 3/1.

31/4 × 3/1 = 93/4, which simplifies to 23 1/4.

This means Carla can make 23 full recipes with a little salt left over.

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