Algebra Quiz

Math 20 Quiz 81

2 Sections: 4.3 and 4.5

Due Wednesday, November19th

Correct answers without corresponding work will be given no credit. You may use a scientific calculator, but its use is unnecessary. Collaboration is permitted, but solutions must be your own.

|3v − 2| = |48 − 7v|

1. Solve the equation. If there is no solution, write ∅. If the solution set is all real numbers, write R. [1 points]

17 − 3 ∣∣∣∣w + 95

∣∣∣∣ ≤ 5 2. Solve the inequality. Write your solution in set-builder or interval notation. If there is no solution, write ∅. If the solution set is all real numbers, write R. [1 points]

− 11

8

∣∣∣∣3x− 411 ∣∣∣∣− 2713 < 14

3. Solve the inequality. Write your solution in set-builder or interval notation. If there is no solution, write ∅. If the solution set is all real numbers, write R. [1 points]

2|10 −y|− 3 < 1

4. Solve the inequality. Write your solution in set-builder or interval notation. If there is no solution, write ∅. If the solution set is all real numbers, write R. [1 points]

{ 5x + 3y ≤ 30 x > 2y

5. Graph the solution set of the system of inequalities on an xy-coordinate system. [1 point]

1