Question
Are y=-4x+3 and -2x+8y=5 parallel, perpendicular, or neither? I think neither?
Answers
Scott
if you solve the 2nd equation for y
... resulting in the slope-intercept form
you will see that the slopes are negative-reciprocals of each other
... resulting in the slope-intercept form
you will see that the slopes are negative-reciprocals of each other