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3 years ago

What is the y-intercept for the equation below? 7x + 2y = -12

Mathematics

1 answer:

grin007 [14]3 years ago

5 0

y = -6

Okay lets substitute x = 0

7 x 0 + 2y = -12

solve the equation for y

y = -6

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Convert into slope intercept form?

Alexeev081 [22]

<h3>Answer:</h3>

y = 2x + 5

<h3>Step-by-step explanation:</h3>

<u>Definitions</u>:

Slope Intercept form; y = mx + b

m = slope

b = y intercept

Step 1: Since the slope is given plug it into y = mx

y = 2x + b

Step 2: Plug a points' x and y into their corresponding spots to solve for b

(33) = 2(14) + b

Simplify and solve

33 = 28 + b

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5 = b

Plug both your slope in and your y intercept into y = mx + b

y = 2x + 5

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3 years ago

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Step-by-step explanation:

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3 years ago

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satela [25.4K]

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Step-by-step explanation:

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3 years ago

Solve y

Ksivusya [100]

The value of y in $-3 = 7\left(y-\dfrac97\right)$ is 6/7

<h3>How to solve for y?</h3>

The equation is given as:

$-3 = 7\left(y-\dfrac97\right)$

Open the bracket

-3 = 7y - 9

Add 9 to both sides of the equation

7y = 6

Divide both sides by 7

y= 6/7

Hence, the value of y in $-3 = 7\left(y-\dfrac97\right)$ is 6/7