Question

Determine the slope and y-intercept of each linear equation:

1) y= -2x +4

2) 5x +7y = 1

Answer 1

1) y = -2x + 4

slope: -2 (coefficent.)
y-intercept: 4 (constant)


2) 5x + 7y = 1
-5x -5x

7y = -5x + 1
/7 /7

y = -5/7x + 1/7

Slope: -5/7 (coefficent.)
y-intercept: 1/7 (constant)