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# help me please

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A line has a slope of $$-\frac{3}{7}$$ and its y-intercept is (0,18). What is its x-intercept?

Jun 24, 2020

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Its x-intercept is (x, 0).

The slope is $$\frac{0-18}{x-0}=\frac{-18}{x}$$

We are told this equals -3/7 so $$\frac{-18}{x}=\frac{-3}{7}$$.

Solving for x, we find that the x-intercept is (42,0)

Jun 24, 2020