3 years ago

Is y=7x+2 x+7y=8 parallel, perpendicular, or neither?

1 answer:

3 0

Rearrange them to slope-intercept form

y = 7x + 2

y = -(1/7) x + 8

product of their slopes is 7 * -1/7 = -1 so they are perpendicular

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