study guide 0

No Work ⇔ No Points Use Pencil Only ⇔ Be Neat & Organized √ 1. (2 points) Evaluate b2 − 4ac for a = 5, b = 2, and c = −3. 1. 2. (3 points) Draw a line that contains A(3, −2) and B(−3, 6). Show the rise and run y of its slope. x 3. (2 points) Solve: 2(x − 3) − 4 = −10 3. Page 1 of 2 Study Guide 0 Total Points: 25 4. Simplify: (a) (2 points) (2x − 3)(2x + 3) (a) 2 (b) (2 points) (x + 5) (b) 2 3 (c) (2 points) (−4x ) (c) 5. (3 points) Graph the solution, and express your final answer in interval notation: 2x − 7 ≤ 5x + 2 -4 -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 5. 6. Factor completely: (a) (3 points) 4×2 + 20x (a) (b) (3 points) 4x − 81 2 (b) 7. (3 points) Solve: x2 − 4x − 45 = 0 by factoring method. 7. Page 2 of 2 Study Guide 0 Total Points: 25 4.0