Alg II 1.4-1.6 Review packet

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Alg II Review over 1.4-1.6

Name

Solve each equation. Check your answer.

1. 5 w + 8

12 w = 16

15 w 2. 3( x + 1) = 2( x + 11)

Write an equation to solve each problem. List your unknowns and define a variable.

3. What three consecutive integers have a sum of 126?

Solve each equation for y.

4.

4

9

( y 3) g

6. Solve. 0.5( c + 2.8)

 c = 0.6

c + 0.3

5. 3 y

 yz = 2 z

7. Solve. Two trains left a station at the same time. One traveled north at a certain speed and the other traveled south at twice that speed. After 4 hours, the trains were 600 miles apart. How fast was each train traveling?

8. Geometry Solve. The length of a rectangle is 5 centimeters greater than its width. The perimeter is 58 centimeters. What are the dimensions of the rectangle?

Solve each inequality. Graph the solution.

9. 3( x + 1) + 2 < 11 10. −2( w – 7) + 3 > w – 1

Solve each compound inequality. Graph the solution. Show the working graph and graph of solution set. Write solution set as a compound inequality.

11.

3 x > – 6 and 2 x < 6 12.

4 x ≥ − 12 and 7 x ≤ 7

13 . 6 x ≤ − 18 or 2 x > 18 14.

2 x < 3 − x or 2 x < x – 3

Solve each equation. Check your answers.

15.

2 x 1 5 16.

4

2 y

 

9

Solve each equation. Check for extraneous solutions.

17.

x 5 3 x

7 18.

2 z 1 3 z 2

19.

5 p 3 4 2 p 20.

7 y 3 1 0

Solve each inequality. Graph the solution. Check your solutions.

21.

  

4 22 . 5 y 3 15

23.

y

2

3

1 2 24.

x

5

3

3 6

25.

The diameter of a ball bearing in a wheel assembly must be between 1.758 cm and 1.764 cm.

What is the tolerance?

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