hello can you please help me posted picture of question

Hello Can You Please Help Me Posted Picture Of Question

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Answer 1
The discriminant help us to identify the nature of the roots.

If Disc > 0, the function has two distinct roots
If Disc = 0, the function has repeated roots
If Disc < 0, the function has complex roots

The turning away of the function indicates a repeated root at that point.
Thus, the given quadratic equation has a repeated root at x = 2. So the discriminant of the function is zero.

Therefore, the correct answer is option B

Related Questions

the scatter plot shows the number of students per class al monida middle school and the number of magazine subscription each class sold for a fund raiser.About how many subscription did the class of 30 students sell

Answers

For this case, the first thing to do is to observe the value that the function takes on the axis y, when on the x axis we have 30 students.
 We have then:
 For x = 30:
 The value of y is given by:
 y = 175 (approximately)
 Answer:
 
y = 175 subscriptions
From the question,
About how many subscription did the class of 30 students sell,
We need to consider the Given which is x = 30:
So The value of y is given by:
y = 175 (approximately)

So the answer would be the third option.

hey can you please help me posted picture of question

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Answer:
The solutions are: 
[tex] \frac{3 + i}{2} [/tex] and [tex] \frac{3 - i}{2} [/tex]

Explanation:
The general form of the quadratic equation is:
ax² + bx + c = 0
The given equation is:
2x² - 6x + 5 = 0

By comparison:
a = 2
b = -6
c = 5

Now, to get the solutions of the equation, we will have to use the quadratic formula shown in the attached image.

By substituting in the formula, we would find that:
either x = [tex] \frac{6 + \sqrt{(-6)^2 - 4(2)(5)} }{2(2)} = \frac{3 + i}{2} [/tex]

or x = [tex] \frac{6 - \sqrt{(-6)^2 - 4(2)(5)} }{2(2)} = \frac{3 - i}{2} [/tex]

Hope this helps :)

It took Alex 2.5 hours to cover a certain route walking at a rate of 3.6 km/h. How long would it take Alex to cover the same route if he walked at a rate of 4.5 km/h

Answers

It will take Alex 2 hours strolling a similar course at 4.5 km/h in light of the fact that 3.6km/h times 2.5 hours was 9km, so 9km separated by 4.5km/h is 2 hours.

Answer:

2 hours

Step-by-step explanation:

Vernon has obtained a $105,000, 5/1 30-year ARM at 5%. During the first 3 years, he has an option of paying interest only. If he accepts this offer, what would be his initial payment?

Answers

The answer is $437.50. (APEX)

Answer: 437.50

Step-by-step explanation:

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