Line EF has an equation of a line y = −2x + 7. Which of the following could be an equation for a line that is perpendicular to l
ine EF?
Answer Choices:
y = 2x - 3
y = 1/2x - 3
y = -2x - 3
y = -1/2x - 3
1 answer:
Answer:
y = 1/2x -3
Step-by-step explanation:
The slope of the given line is the x-coefficient: -2. The slope of the perpendicular line is the negative reciprocal of this:
-1/(-2) = 1/2
The only answer choice with a slope of 1/2 is ...
y = 1/2x -3
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