7. Solve the following: SHOW YOUR WORK!
a. 5x + 8 = 17
b. (x/4) + 7 = 12
c. 4x^2 + 1 = 8x (use quad. form.)
d. Solve w = w_0 + at for a.
e. Solve A = w_0t + 1/2at^2 for a.
f. x - x-1/3 = 0
g. 2x/5 - 15 = 5x/8 - 16
8. Simplify the following:
a. t^2 x t^7
b. t^2 + t^7
c. t^2 + (1/t^7)
9. What is the slope of a line that passes through the points (3, 2) and (-4, -5)? SHOW YOUR WORK!