Download A1-3-Equation_Review

A1-3
NAME____________________________DATE________PERIOD____
Equation Review
Solve the following equations.
2
1
(x  2)  x  4
5
4
1. 2x – (1 – x) = 11 – x
2.
3. x2 + 3x = 10
4. x4 – 40x2 + 144 = 0
5. x2 – 20 = 0
6. 4x3 – 19x2 – 5x = 0
7. x3 – 2x2 – 4x + 8 = 0
8. 4x2 = 60x
9. (x – 5)(x – 6) = x(x + 3) + 7
10. 5x2 + 7x + 20 = 7x2 + 3x – 10
A1-3
11. x2 + 8x – 4 = 0
12. x(x – 4) = 12
13. 2x2 – 50 = 0
14. 6x2 + x = 2
Solve each equation for the indicated variable.
15. y = mx + b for m
17. V =
1
bwh for h
3
19. a(2 + b) = 6b – 5 for b
16. 5cy – d = 4d – cy for y
18. A = p(1 + rt) for r
20. ax2 + bx = 0 for x