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Jlenok [28]
3 years ago
10

what is the value of y for the line that has a slope of 1 and goes through the points (-4,y) and(-2,8)​

Mathematics
1 answer:
kozerog [31]3 years ago
7 0

Answer:

<h2>y = 6</h2>

Step-by-step explanation:

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the slope m = 1 and the points (-4, y) and (-2, 8). Substitute:

1=\dfrac{8-y}{-2-(-4)}

1=\dfrac{8-y}{2}         <em>multiply both sides by 2</em>

2=8-y         <em>subtract 8 from both sides</em>

-6=-y          <em>change the signs</em>

6=y\to y=6

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