Question

(1,5)(-4,4)(-1,3)(-1,-2)Which system of equations does the graph represent?y = -2-4y = 23 - 2By=-2 +4y = 2.2 - 4y = 2 - 4y = -21 - 2cDy = x +4y = -2x - 4

Answer 1

The Answer is D

The first line has the slope of +1

$m\text{ =(y2-y1)/(x2-x1) = (5-3)/(1+1)= 1}$

It has the y-intercept of 4 from the graph

$y\text{ = x+4}$

The second line has the slope of -2

$m\text{ = (4+2)/(-4+1) = 6/-3 = -2}$

It has the y-intercept of -4

$y\text{ = -2x-4}$