Andrea says the solution to the equation 8 + 4 = 2(x – 1) isx=8.

a. Verify is Andrea's solution is correct?

b. How do you know it is correct or not based on what you
did?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

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