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What is the slope of a line that is perpendicular to a line that has a slope of -7

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What is the slope of a line that is perpendicular to a line that has a slope of 7 Please help ya girl out class=

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C. 1/7
The slope of a perpendicular line will be the opposite of the first slope given. So since the first slope is -7 then we make the negative positive and flip the numerator and denominator. So -7/1 will be 1/7