Question
Line $\ell$ has slope 1 .2. Line $m$ is perpendicular to line $\ell$.a. What is the slope of line $m$ ?(a)b. What is the product of the slopes of line $\ell$ and line $m$ ?(a)
Step 1
Since line $m$ is perpendicular to line $\ell$, the slope of line $m$ is the negative reciprocal of the slope of line $\ell$. The slope of line $\ell$ is 1.2, so the slope of line $m$ is -1/1.2 = -5/6. Show more…
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