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3 years ago

11

The area of a rectangle is equal to its length times its width. If the area of a rectangle is 4x + 20, which option(s) could be

the length and width of that rectangle? Select all that apply.

1 answer:

Pavel [41]3 years ago

5 0

Answer:

length = 4

Breadth = x+5

Step-by-step explanation:

Area = length x breadth

Area = 4x+20

In order to get the length and the breadth we have to use factorization on the equation 4x+20

Such that area = 4(x+5)

Then the length = 4

Breadth = x+5

And if we multiply the length and breadth, we will get the original equation

4(x+5) = 4x+20

Thank you!

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Step-by-step explanation:

For the standard form equation to model the values in the table, each value of x in the table should give the matching the y value when substituted into the equation. We will test each equation:

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<u> $Y=-4x^2-3x-6$ for (-2,4)</u>

$Y=-4(-2)^2-3(-2)-6=-4(4)+6-6=-16+6-6=-16\\$

This does not give 4 as the answer and is not a solution.

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