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andrey2020 [161]
3 years ago
14

How do you turn 8x-4y=20 into slope intercept form? Please show me the steps

Mathematics
1 answer:
Viktor [21]3 years ago
3 0

Answer:

y = 2x - 5

Step-by-step explanation:

y = mx + b

We need to leave y-term as the subject of equation.

- 4y = 20 - 8x

Move 8x to subtract.

y =  \frac{20 - 8x}{ - 4}

Pull the negative out of 4.

y =  -  \frac{20 + 8x}{4}

Simplify

y =  -  \frac{20}{4}  +  \frac{8x}{4}  \\ y =  - 5 + 2x

Swap x-term and constant.

y = 2x - 5

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Answer:

Slope is equal to the change in y over the change in x , or rise over run.

m=change in y/ change in x

The change in x is equal to the difference in x-coordinates (also called run), and the change  in y is equal to the difference in y-coordinates (also called rise).

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\boxed{\bold{1}}

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