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ikadub [295]
3 years ago
7

The rectangle below has an area of x2 - 16 square meters and a width of x + 4 meters.

Mathematics
1 answer:
Brut [27]3 years ago
3 0

Answer:

Length = x - 4 meters

Step-by-step explanation:

Area of a rectangle = length × width

Area of a rectangle = x² - 16

width of the rectangle = x + 4 meters.

Length of the rectangle = ?

Recall:

Difference of two perfect square x² - 16 = (x + 4)(x - 4)

Area of a rectangle = length × width

(x + 4)(x - 4) = length * x + 4

Length = (x + 4)(x - 4) ÷ x + 4

Length = x - 4 meters

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Answer:

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Since we're already given the slope, all we really need to do is find the y-intercept.

We can do this by plugging our known values into the slope-intercept equation.

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Since we're trying to find "b," we need to plug in "y, m, x" into our formula.

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Answer:

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