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dalvyx [7]
3 years ago
10

Which of the following functions best describes this graph ?

Mathematics
1 answer:
IrinaVladis [17]3 years ago
7 0

Answer:

<h2> y = x{}^{2} - 9x + 20</h2><h2 />

Step-by-step explanation:

As seen from the graph , the function cuts the x-axis at 4 and 5. So, the roots of function are 4 and 5.

The function becomes :

( x - 4 ) ( x - 5 )

Expanding:

(x - 4)(x - 5)

x(x - 5) - 4(x - 5)

{x}^{2}  - 5x - 4x + 20

{x}^{2}  - 9x + 20

So, after expansion , it becomes :

{x}^{2}  - 9x + 20

So, Option D is the correct option.

Hope this helps..

Best regards!!

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Which choice is equivalent to the expression below? square root of negative 20​
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Step-by-step explanation:

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2 years ago
What is the slope of the line that passes through the points (-9, -8)((−15,−16)? Write your answer in simplest form.
alexandr402 [8]

Answer:

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Step-by-step explanation:

Given:

Let,

point A( x₁ , y₁) ≡ ( -9 ,-8)

point B( x₂ , y₂ )≡ (-15 ,-16)

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