What is the point slope form of a line with slope -5 that contains the point (2,-1)? a. y+1=-5(x-2) b. y-1=5(x+2) c. y-1=-5(x-2) d. y+1=5(x+2)

A

Explanation:

(Y-Y1)=m(X-X1) is the base formula for point slope. The points to plug in (X1, Y1) are in this case (2,1). Plugging in those points gives you the equation of Y+1=m(X-2). Then it asks for the slope. In this equation, m = the slope. So plug in (-5) for the slope and you get Y+1=-5(X-2).

Hope this helps!

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