Write an equation for a linear function whose graphs has the given characteristics. Passes through (-2,2) and (2,-8)

Question

Mathematics

Jazlyn Anthony

1 January, 08:04

Write an equation for a linear function whose graphs has the given characteristics. Passes through (-2,2) and (2,-8)

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Answers (1)

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Jessie Graham · Answer 1

(-2,2) (2,-8)

slope = (-8 - 2) / (2 - (-2) = - 10/4 = - 5/2

y = mx + b

slope (m) = - 5/2

(-2,2) ... x = - 2 and y = 2

now we sub and find b, the y int

2 = - 5/2 (-2) + b

2 = 5 + b

2 - 5 = b

-3 = b

so ur equation is : y = - 5/2x - 3