Question

The point-slope form of a line that has a slope of –2 and passes through point (5, –2). What is the equation in slope-intercept form?

Answer 1

y + 2 = -2(x - 5)

y + 2 = -2x + 10

y = -2x + 8

Answer 2

y = -2x + 8

Explanation:

According to the Point-Slope Formula, y - y₁ = m(x - x₁), all the negative symbols give the OPPOSITE terms of what they really are, so be EXTREMELY careful with them:

y + 2 = -2(x - 5)

y + 2 = -2x + 10

- 2 - 2

_______________

y = -2x + 8

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