What's is slope of 2y+8x=21

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asked Mar 11, 2017 10.0k views

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What's is slope of 2y+8x=21

Mathematics
high-school

Farida asked

by Farida

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1 vote

8x + 2y = 21
8x - 8x + 2y = -8x + 21
2y = -8x + 21
2 2
y = -4x + 10.5

Slope: -4

SoBeRich answered Mar 12, 2017

by SoBeRich

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3 votes

2y+8x=21
This is in standard form, lets convert to slope intercept form

slope intercept form : y = mx + b

2y + 8x = 21
-8x -8x

2y = -8x + 21
y = -4x + 21/2

Answer: m = -4

Steve Rowbotham answered Mar 14, 2017

by Steve Rowbotham

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