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yaroslaw [1]
3 years ago
7

Line QR goes through points Q(0,1) and R(2,7). which equation represents line QR

Mathematics
2 answers:
vodka [1.7K]3 years ago
3 0
M= (7-1)/(2-0)=3
y=3x + c
plug in Q 
1= 3 x 0 +c
=> c =-2
=> the equation represents line QR is y=3x -2
Ainat [17]3 years ago
3 0

y – 1 = 3x

since Q is (0,1) that would make 1 the y-intercept.

using a formula to find the slope we end up with 3.

1 is a negative because when moved to the other side it must be positive.

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