Equations and Inequalities (Pre-Assessment)

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1. Find the value of x needed to make the equation true.

(a)  

2. Solve the equation shown below.

(a)  

3. Two angles have a sum of 125.8°. If the measure of the first angle is 72°, find the measure of the second angle.

(a)  

4. Solve the inequality shown below.

(a)  

5. Solve the inequality shown below.

• w ≥ −12
• w ≤ −12
• w ≤ 12
• w ≥ 12

6. Lindsay needs to interview a minimum of 15 people for a project in her health class. So far she has interviewed 6 people. Write and solve an inequality to find p, the possible number of people she still needs to interview to complete the project.

• p + 6 ≤ 15; p ≤ 9
• p + 6 ≥ 15; p ≥ 9
• p − 6 ≥ 15; p ≥ 21
• p − 6 ≤ 15; p ≤ 21

7. The model below represents an equation. Find the value of x needed to make the equation true.

(a)  

8. Find the value of m needed to make the equation true.

(a)