Question

Write an equation for the line in point-slope and slope-intercept forms.

Passes through (2, -4) and has a slope of -1.

Answer 1

Answer: It should be -(x - 2)

Explanation:

the reason is this right here

y - y1 = m(x - x1)

y1 = 4

x1 = 2

m = -1

y - 4 = -(x - 2)

Answer 2

point-slope form: y-y₁ = m (x-x₁)

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• y -(-4) = -1(x-2)

• y + 4 = -1(x-2)

slope-intercept form: y = mx + b

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• y + 4 = -1(x-2)

• y + 4 = -x + 2

• y = -x + 2-4

• y = -x -2