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Varvara68 [4.7K]
3 years ago
12

Find an equation in slope-intercept form of the line that has slope 9 and passes through point A(-9, -1).

Mathematics
1 answer:
Step2247 [10]3 years ago
3 0

Answer:

y = 9x+80

Step-by-step explanation:

We can use the slope intercept form of a line

y = mx+b where m is the slope and b is the y intercept

y = 9x+b

Substitute the point in for x and y

-1 = 9(-9) +b

-1 = -81 +b

Add 81 to each side

-1+81 = b

80 =b

The equation is y = 9x+80

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