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Sagot :
Answer:
The slope is 4/5
y = 4/5x + 20
Step-by-step explanation:
Slope:
Change in y over the change in x
(4 - 8) / -20 - -15
-4 / -20 + 15
-4 /-5
4 / 5
Equation of the line:
You could use either point given. I am going to use the point (-20,4) I will use -20 for x and 4 for y. I will use 4/5 as the slope. I will need to solve for the y-intercept
y = mx + b
4 = (4/5)(-20) + b
4 = -16 + b Add 16 to both sides
20 = b
The equation will be
y = 4/5x + 20
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