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lilavasa [31]
4 years ago
12

If f(x) = 2x2 + bx + c, find the value of "c" that makes the vertex of the given graph the same as the vertex of f(x).

Mathematics
2 answers:
AlekseyPX4 years ago
8 0

Well it was a lucky guess but the answer is 75

andrew-mc [135]4 years ago
7 0

Answer:

75

Use x =  

−b

2a

→ 6 =  

−b

2(2)

→ b = −24. Use the point (6, 3) in the function f(x) = 2x2 + bx + c → 3 = 2(6)2 −24(6) + c → c = 75

Step-by-step explanation:

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4 0
3 years ago
Suppose the test scores of students in a class are normally distributed with a mean of 86 and a standard deviation of 4. What is
WARRIOR [948]

Answer:

-2.5

Step-by-step explanation:

Here in this question, we are interested in calculating the z-score for a student that had a particular mark at the test

To calculate the z-score, we need to use a mathematical formula

Mathematically;

z-score = (x - mean)/SD

From the question;

x = 76

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standard deviation SD = 4

Plugging these values in the equation, we have;

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Answer:

it would be C.) no distance was covered

Step-by-step explanation:

because the graph did not move on the y-axis

hope this helps

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