Answer:
y = -3x +13
Step-by-step explanation:
Slope is also known as gradient. The slope of a line is represented by the equation below.
Slope (m) = y - y1/ x - x1
Where m = -3 , x1= 7 and y1 = -8
Imputing the values into the equation
m = y - y1/ x - x1
-3 = y - -8 /x - 7
Cross multiply, we have
y + 8 = -3(x - 7)
Expand
y+8 = -3x + 21
Subtract 8 from both sides
y+8-8 = -3x + 21-8
y = -3x +13
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