4 years ago

What is the equation of a line through the points (0, 9) and (3, 0)?

1 answer:

3 0

First you'll use the slop formula to find the slope.

Slope = $\frac{y2-y1}{x2-x1}$
Slope = $\frac{0-9}{3-0}$
Slope = $\frac{-9}{3}$
Slope = ${-3}$

Now we write the equation.

y = mx + b
y = -3x + 9

In this equation -3 is the slope and 9 is the y-intercept.

Hope this helps :)

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