Find the slope of the line that goes through the points (1,9) and (3,15) and then find the equation of the line(y = mx + b). A. m = 2 and y = 2x + 9 B. m = 3 and y = 3x + 6 C. m'= 3 and y = 3x + 9 D. m

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Dheemanth Bhat asked Jan 5, 2023

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Find the slope of the line that goes through the points (1,9) and (3,15) and

then find the equation of the line(y = mx + b).
A. m = 2 and y = 2x + 9
B. m = 3 and y = 3x + 6
C. m'= 3 and y = 3x + 9
D. m = 9 and y = 9x + 6

Mathematics
high-school

Dheemanth Bhat asked Jan 5, 2023

by Dheemanth Bhat

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Answer: B

Explanation:

m=(15-9)/(3-1)=3

Substituting into y=3x+b,

$9=3+b\\ \\ b=6 \implies y=3x+6$

Find the slope of the line that goes through the points (1,9) and (3,15) and then-example-1

Jeremywat answered Jan 10, 2023

by Jeremywat

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