4 years ago

What are the roots of the quadratic function in the graph?

1 answer:

7 0

The answer would be B) -5, 3. The roots can be found where the graph crosses the x-axis, which on this graph is -5 and 3.

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Given the function f(x) = 5x^2 - x + 20, find f(3)<br> A) -20<br> B)-13<br> C) 62<br> D) 64

Viktor [21]

<h3>Answer: 62 (choice C)</h3>

Work Shown:

f(x) = 5x^2 - x + 20

f(3) = 5(3)^2 - 3 + 20

f(3) = 5(9) - 3 + 20

f(3) = 45 - 3 + 20

f(3) = 42 + 20

f(3) = 62

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2 years ago

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The temperature is 15°C and drops 8°C. Write an addition equation to calculate the final temperature. What is the final temperat

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3 years ago

Equation for working out the area of a rhombus

Inga [223]

Hey :)

There are 3 different equations you can use to find the area of a rhombus:

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3 years ago

3. 1/6 simplest form

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The answer is 8:4:1

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3 years ago