# 1) Which of the following pairs of equations are perpendicular to one another? a. 6x - 3y = 9 b. y = x + 1 y = 2x + 4 3y = 4x + 15 c. y = x - 4 d. y = x - 3 7x + 7y = 14 y = x + 8

##### 1 Answer

Jul 12, 2018

d)

#### Explanation:

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