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frez [133]
4 years ago
6

(-1,-9) and (2,21) into an equation

Mathematics
1 answer:
Marianna [84]4 years ago
8 0

Answer:

y=10x+1

Step-by-step explanation:

subtract \frac{21}{2} - \frac{-9}{-1} to get a slope of 10

insert the slope into the equation with one of the points. 21=10(2)+b

then solve 21=20+b   b=1

place slope and y-intercept ito the equation. y=10x+1

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