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# Help plas

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Line m has the equation y = 3x + 5. Line n has the equation y = kx - 7. Lines m and n intersect at the point (-4, -7). What is the value of k?

Apr 8, 2021

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Line m has the equation y = 3x + 5. Line n has the equation y = kx - 7. Lines m and n intersect at the point (-4, -7). What is the value of k?

Hello Guest!

$$kx-7=3x+5\\ x=-4\\ -4k-7=3\cdot (-4)+5\\ -k=\frac{-12+5+7}{4}$$

$$\color{blue}k=0$$

Line m has the equation y = 3x + 5. Line n has the equation y =  - 7. Lines m and n intersect at the point (-4, -7).

!

Apr 8, 2021