ShouseHouse ShouseHouse

20-09-2017
Mathematics

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What is the equation of the line with an x-intercept of -2 and a y-intercept of 1?

A.y = -1/2x + 1
B.y = 1/2x + 1
C.y = 2x + 1

Respuesta :

choixongdong choixongdong

20-09-2017

x-intercept of -2 (-2,0)
y-intercept of 1 (0,1)

slope =(1-0)/(0+2) = 1/2
b = y-intercept = 1

so equation (y = mx + b , in this case m = 1/2, b = 1)
y = 1/2x + 1

answer
B.y = 1/2x + 1

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