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  • one year ago

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 line EF? y = 2x − 3 y = 1 over 2x − 3 y = −2x − 3 y = −1 over 2x − 3

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  1. Directrix
    • one year ago
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    Perpendicular lines (provided neither is vertical) have slopes that multiply to -1. If the given line has a perpendicular line to it among the options, the option line will have a slope of 1/2 because the given line's slope is -2 and -2 times 1/2 = -1.

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