Mathematics
South828
22

write an equation of a line parallel to the line y=2x+7 and passing through the point (4,2)

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(2) Answers
nikolak

y = 2x + 7 y = 2(4) + 7 y = 8 + 7 y = 15 y = 2x + 7 2 = 2x + 7 -7          -7 -5 = 2x  2      2 -2.5 = x (x y) = (-2.5, 15)

Gakley64

y=mx+b lines are parallels so m=2 y=2x+b  line passing through the point (4,2), so x=4 y=2 put these value in equation 2=2*4+b 2=8+b b=2-8 b=-6 y=2x-6 Answer: y=2x-6 (verification on the picture)

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