Math 7 /Unit 12 Practice Test: Equations and Inequalities
Name:
Date:
(#1-4) Define the terms below and give an example of each.
1. Equation
2. Inequality
3. Solution Set
4. Variable
5. Solve the equation. Show your work.
6. Solve the equation. Show your work.
7. Solve the equation. Show your work.
8. Solve the equation. Show your work.
9. Write an inequality for each situation.
a. The theatre (t) can have no more than 130 people. ______
b. The rental fee (r) is below $50.00. ______
c. The temperature (t) is above ______
d. The wait time (w) for a table at the restaurant is at least ______
20 minutes.
e. The number p is between ______
f. The number n is greater than 4 or less than 0. ______
#10 – 13 Graph each inequality.
10.
11. < 2
#12 – 13 Solve. Then graph each solution set on the number line provided.
12.
13.
14. Which operation should be performed second when solving the
equation ?
A. / Add 2B. / Divide by 7
C. / Multiply by 7
D. / Subtract 2
15. (CRT) An inequality is shown below.
Which graph represents all the solutions of the inequality?
A. /B. /
C. /
D. /
16. (CRT) A school choir must practice singing for at least 175 minutes each week. So far
this week they have practiced for 85 minutes. Which inequality describes all the possible number of minutes (m) the choir must practice singing during the remainder of the week?
A. /B. /
C. /
D. /
17. (CRT) Look at the graph below.
Which inequality describes the graph?
A. /B. /
C. /
D. /
Long-Term Memory Review
18. Graph the function , in the plane below.
19. Find the volume and the surface area of the figure
to the right. Be sure to label your answers.
20. Simplify.
Math 7 Practice Test Unit 12: Equations and Inequalities Page 2 of 4