Question

Which equation represents the line that passes through the point (1,5) and had a slope of -2

Answer 1

y=-2x+7

Explanation:

Memorize the formula y=mx+b where m=slope and b=y-intercept.

y=-2x+b passes through the point (1, 5)

5=-2(1)+b

5=-2+b

b=5-(-2)=5+2=7

So the y-intercept in this case is 7.

y=-2x+7

Answer 2

the answer is:y=-2x+6