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Which equation is a point slope form of the equation of this line? (-2,1). (1,7) A. -2x+y+5=0 B. Y=2x-5 C. (Y+1)=-1/2(x-2) D. (Y-1)=2(x+2)

Which equation is a point slope form of the equation of this line? (-2,1). (1,7) A. -2x+y+5=0 B. Y=2x-5 C. (Y+1)=-1/2(x-2) D. (Y-1)=2(x+2)
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Which equation is a point slope form of the equation of this line? (-2,1). (1,7)

A. -2x+y+5=0
B. Y=2x-5
C. (Y+1)=-1/2(x-2)
D. (Y-1)=2(x+2)

asked
User Sinek
by
8.2k points

1 Answer

2 votes
hello :
answer : D. (Y-1)=2(x+2)
because :
if x=1 ... y =7
if : x= -2 .... y= 1
the slope is : (1-7)/(-2-1) = -6/-3=2
answered
User Romuleald
by
8.5k points
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