3 years ago

A) through (7, 1) and perpendicular to y=-x+ 3

Mathematics

1 answer:

Mnenie [13.5K]3 years ago

7 0

Step-by-step explanation:

Two lines that are perpendicular to each other has -1 as the product of thir gradient.

Since the gradient of the line y = 3 - x is -1, the gradient of the other line must be 1.

So y = x + c.

When x = 7, y = 1. 1 = 7 + c, c = -6.

Hence the equation of the line is y = x - 6.

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