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Line QR goes through points Q(0, 1) and R(2, 7). Which equation represents line QR?
a. y – 1 = 6x
b. y – 1 = 3x
c. y – 7 = 2x – 6
d. y – 7 = x – 2

Respuesta :

Lampa20
For this we will use equation that gives us equation of line that goes through 2 given points.

that equation is:
 [tex]y - y1= \frac{y2 - y1}{x2 - x1} (x - x1)[/tex]

now we implement our given coordinates.
let Q be point 1 and R be point 2
y - 1 = 6/2(x - 0)
y - 1 = 3x

Answer is b.

The Answer is B.

I took the unit review, as well as did the math myself,