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Harlamova29_29 [7]
3 years ago
13

Write an equation of the line passing through the points (3,1) and (−1, −7).

Mathematics
2 answers:
ioda3 years ago
4 0
The answer is y = 2x - 5.
bija089 [108]3 years ago
4 0

Answer:

y=2x-5

Step-by-step explanation:

\frac{1-(-7)}{3-(-1)}=\frac{8}{4} = 2\\\\(3,1)\\y=2x+b\\1=2(3)+b\\1=6+b\\1-6=b\\-5=b\\\\OR\\\\(-1, -7)\\y=2x+b\\-7=2(-1)+b\\-7=-2+b\\-7+2=b\\-5=b

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8 0
3 years ago
Mary is 2 times older than Bob and Bob is 5 years older than Sally. Sally is 10 years old how old is Bob
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3 years ago
A survey is made in a neighborhood of 80 voters. 65 are democrats and 15 are republicans. of the democrats, 35 are women, while
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7 0
3 years ago
Read 2 more answers
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