Find the rule please

Algebra
Tutor: None Selected Time limit: 1 Day

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Aug 18th, 2014

The line passes through (-2,-1) (0,3)

Slope = (3-(-1))/(0-(-2)=4/2 =2

y=2x+3 since it passes through (0,3)

Slope of the line 2x+y=5

y=-2x+5

This is slope intercept form y=mx+c

m =slope = -2

Y intercept of -2x+2y=4 is got by putting x=0 2y=4 or y=2

or alternatively 2y =2x+4

y =x+2

Y intercept is 2

Aug 18th, 2014

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Aug 18th, 2014
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