Yaslyn is driving to her school campus. She comes across an 18 mph zone. She still has 5 miles left to go. Her class starts at 9
1 answer:
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Answer:
y = 2x + 8
Step-by-step explanation:
Find the slope of a line between (-8,-8) and (-9,-10) using m = , which is the change in y over the change in x.
Substitute in the values of x and y into the equation to find slope.
Simplify.
Simplify the numerator.
Multiply -1 by -8
Add -10 and 8
Simplify the denominator.
Multiply -1 by -8
Add -9 and 8.
Divide -2 by -1.
Using the point slope form plug in m = 2,
Solve for y.
Multiply -1 by -8
y + 8 = ( 2 ) ( x − ( − 8 ) )
Simplify ( 2 ) ( x − ( − 8 ) ) .
Multiply − 1 by − 8
y+8 = 2 ( x + 8 )
Apply the distributive property.
y + 8 = 2 x + 2 ⋅ 8
Multiply 2 by 8 .
y + 8 = 2x + 16
Move all terms not containing y to the right side of the equation.
Subtract 8 from both sides of the equation.
y = 2 x + 16 − 8
Subtract 8 from 16 .
y = 2 x + 8
