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Question 3
Indicate the answer choice that best completes the statement or answers the question.
The graphs of which pair of lines are perpendicular?
2
O a. 3x + 2y = 6, 2x – 3y = 7
Ob. 2x – 3y = 12, y = -
1
Oc. x + y = 1, 2y = -2x + 2
Od. y = 4x + 13, y = 7* - 13

Answer 1

A

Explanation:

B is immediately wrong because 2x - 3y = 12 is not an equation with only x, so it can never be perpendicular to y = -1.

The two lines in C are the exact same line.

D does not have an x in the second line, so it can never be perpendicular with y = 4x + 13