Evaluate (5x)² if x=3

(5x)² =

225

Step-by-step explanation:

(5x)^2, then plug in X which is 3->(5x3)^2, then do 5 times 3 in the parentheses->(15)^2, then do 15 squared or 15 times 15-> 225

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the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.