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31. Solve the equation: 2(3x - 5) = 4x + 1.
a) x = 3/2
b) x = -3/2
c) x = 5/2
d) x = -5/2
Answer: a) x = 3/2
32. Simplify: (x^3)^4.
a) x^7
b) x^12
c) x^10
d) x^6
Answer: b) x^12
33. Solve the inequality: -2x + 5 > 3x - 1.
a) x > 1/2
b) x > 3/2
c) x < 1/2
d) x < 3/2
Answer: a) x > 1/2
34. Factor the expression: x^2 + 7x + 10.
a) (x + 2)(x + 5)
b) (x - 2)(x - 5)
c) (x + 2)(x - 5)
d) (x - 2)(x + 5)
Answer: a) (x + 2)(x + 5)
35. Solve the system of equations:
5x + 2y = 14
3x - 4y = -2
a) x = 2, y = 3
b) x = 3, y = 2
c) x = -2, y = 3
d) x = -3, y = 2
Answer: a) x = 2, y = 3
36. What is the y-intercept of the line with equation y = -3x + 5?
a) 3
b) -3
c) 5
d) -5
Answer: c) 5
37. Simplify: (2x^2)(3x^3)(-4x^4).
a) -24x^9
b) -24x^8
c) -24x^7
d) 24x^9
Answer: a) -24x^9
38. Solve the inequality: 3 - 4x < 5x + 2.
a) x > 1/3
b) x > 7/12
c) x < 1/3
d) x < 7/12
Answer: a) x > 1/3
39. Factor the expression: x^2 - 2x - 3.
a) (x - 3)(x + 1)
b) (x + 3)(x - 1)
c) (x - 3)(x - 1)
d) (x + 3)(x + 1)
Answer: a) (x - 3)(x + 1)
40. Solve the equation: 2x + 3 = 5x - 1.
a) x = 1
b) x = -1
c) x = 2
d) x = -2
Answer: b) x = -1
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