  Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

Algebraic Concepts – Quadratic Formulas & Equations – RIT 251 – 260
Solve: 30x2 – 19x – 4 = 0
 a. x = 4/5 or x = -1/6 d. x = -4/5 or x = 1/6 b. x = 2/3 or x = -1/5 e. x = 2/5 or x = 1/3 c. x = 2/3 or x = 1/5

2. a. d. b. e. c. 3. a. –16, 2 complex roots d. –8, 2 complex roots b. –16, 2 real roots e. 0, 1 real root c. –8, 2 real roots

4.

Given: x2 - x  - 4 = 0  Solve for x
 a. d. b. e. c. 5.

Algebraic Concepts - Solving Equations & Inequalities - RIT 251 - 260

Solve the following inequality.

6-3 (2X + 1) < 12
 a. d. b. e. c. 6.

What is the multiplicative inverse of 0.2?
 a. 1 d. 0 b. 10 e. 5 c. –0.2

7. a. d. b. e. c. 8. a. d. b.  e. c. 9. a. d. b. e. c. 10.

Given points (-7,11), (4,-1), determine the equation of the line that passes
through these two points.
 a.  d. b. e. c. 11. a. d.  b. e. c. 12. a. d.  b. e. c. 13. a. d. b. e. c. 14. a.   d. b. e. c. 15.

Which of the following equations represents a parabola?
 a. d. b. e. c. 16.

Which system of linear equations has one unique solution?
 a. Consistent, Independent d. Inconsistent, Independent b. Consistent, Dependent e. Inconsistent, Dependent c. Inconsistent

17. a. d. b. e. c. 18.

Algebraic Concepts – Trigonometry – RIT 251 – 260  a.    d. b. e. c. 19. a. 6 d. 8 b. 2 e. 15 c. 75

20.

Graph the following:
f(x) = x2 – x – 20
 a. d. b. e. c. 