0005_hsm11a1_te_02tr.indd - Northland Preparatory Academy
Name
Class
Date
Chapter 2 Test
Form K
Do you know HOW?
Solve each equation. Check your answer.
1. [pic] 2. 8x – 12 = 4x + 24 3. [pic]
4. What is the solution of [pic]? Justify your steps.
Solve each equation. If the equation is an identity, write identity. If it has no real-number solution, write no solution.
5. 2.6(t + 2) = 2(1.3t + 2) + 1.2 6. 2x + 4 = 5(x + 1) – 3(x + 2)
7. Solve [pic].
8. A large cheese pizza costs $7.50. Each additional topping for the pizza costs $1.35. If the total bill for the pizza Sally ordered was $12.90, how many toppings did she order? Define a variable and write an equation for each situation. Then solve.
9. The length of a rectangle is twice the width. An equation that models the perimeter of the rectangle is 2w + 4w = 36 where w is the width of the rectangle in ft. What are the length and the width of the rectangle?
Prentice Hall Algebra 1 • Teaching Resources
Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved.
105
Name
Class
Date
Chapter 2 Test (continued)
Form K
Convert the given amount to the given unit.
10. 260 sec; min
11. 5 lb; ounces
12. What is 45% of 120?
Tell whether each change is an increase or decrease. Then find the percent change.
|13. Original amount: $99.50 |14. Original amount: $19.25 |
|New amount: $92.50 |New amount: $22.75 |
Define a variable and write an equation for each situation. Then solve.
15. There are 21 females in the Algebra 1 class. If 75% of the class is female, how
many students are there in the class?
16. A flagpole casts a 32-ft shadow. A boy who is 6 feet tall is standing near the flagpole casting a 16-ft shadow. They form similar triangles. How tall is the flagpole?
Do you UNDERSTAND?
Writing Describe the steps that are involved in solving the equation
[pic]
18. Open-Ended Write a problem that can be solved using percents. Write
the percent equation and solve the problem.
19. Writing Suppose you are given two similar triangles. All three side lengths
of one triangle are given and one side length of the other triangle is given.
Explain how you can find one of the missing side lengths. Include the steps for solving for the missing length.
Prentice Hall Algebra 1 • Teaching Resources
Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved.
106
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