3 years ago

Which point is an x-intercept of the quadratic function f(x)= (x-8)(x+9)?

Mathematics

1 answer:

Brums [2.3K]3 years ago

4 0

Answer:D

Step-by-step explanation:

-9+9=0

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Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B2%7D%20%20%20%5Cdiv%202%20%2B%202%20%5Cdiv%20%20%5Csqrt%7B2%20%7D%20" id="TexForm

NeX [460]

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$\frac{3\sqrt{2} }{2}$

Step-by-step explanation:

Given

$\frac{\sqrt{2} }{2}$ + $\frac{2}{\sqrt{2} }$ ← rationalise the denominator by multiplying by $\frac{\sqrt{2} }{\sqrt{2} }$

= $\frac{\sqrt{2} }{2}$ + ( $\frac{2}{\sqrt{2} }$ × $\frac{\sqrt{2} }{\sqrt{2} }$ )

= $\frac{\sqrt{2} }{2}$ + $\frac{2\sqrt{2} }{2}$

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3 years ago

Which of the following statements is correct for the graph shown.

LuckyWell [14K]

Answer:

the answer is D).

Step-by-step explanation:

D). is the correct answer b/c the shape it and oval. Which means that during the vertical Line test, the points are going go through the line test like twice instead of only once.

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3 years ago

F(x)=3x+2 and g(x)=-2x-4, find h(x) = f(x)-g(x)

elena-14-01-66 [18.8K]

Answer:

5x-2

Step-by-step explanation:

Since f(x)-g(x) you take 3x+2 and subtract -2x-4.

3x+2+2x-4

5x-2

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3 years ago