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1. What is the value of the following expression whenx = -9, y = -2, and z = 3? x-z -6 -3 3 6 -y 2. Compare using <, >, or =. -2 -2 < > = 7 8 4 3 3. Simply. 4 - 6 2 5 1 2 4. Simplify. -9.24 + (-2.89) Remember a zero in front of the decimal if needed. 5. Part A: Kayla's pool was full. After a series of hard rain storms, the pool is now full. Find the distance between the two numbers in simplest form. 4 5 10 3 5. Part B: Kayla's pool was full. After a series of hard rain storms, the pool is now full. Plot the two given values and the answer on the number line. 0 3 10 ? 4 5 1 2 ? 10 3 4 5 ? 1 6. Simplify. 0.15(-0.6) 6 Remember a zero in front of the decimal if needed. . 7. Simplify. 2 8 - - 7 21 ÷ ( ) 8. 2 1 1 3 4 2 ( )( ) -2 -1 Answer should be in mixed number form. 9. Find the perimeter of the rectangle. 10 in. 1 6 5 in. 1 3 in. 11. Identify the equivalent fractions for . 12 24 2 32 4 24 12 18 3 16 24 4 6 8 10. A 13.5 gallon gasoline tank is full. How many gallons will it take to fill the tank? gallons 4 5 12. A board is 6 feet long. You cut off a 1 feet piece and a 2 foot piece. How much of the original board is left? -2 - 1 6 1 2 1 2 2 3 2 4 1 12 12 5 3 4 The answer should be negative. -2.2 x 3.7 = -8.14 The numbers were multiplied incorrectly and the answer should be negative. -2.2 x 3.7 = -0.814 The decimal shows the wrong place value and the answer should be negative. -2.2 x 3.7 = -81 13. Describe and correct the error. X - -2.2 x 3.7 = 8.14 The decimal shows the wrong place value. -2.2 x 3.7 = 81.4 14. Order the values from least to greatest. Then place on a number line. -6 ? -|-3.5| ? 6 3 ? π ? √36 ? 15. A truck driver drove 49 miles in 1 hours. What was the average speed, in miles per hour, for this trip? 32 36 2 3 3 4 65 50 1 3 1 3 1 3 16. Order the values from least to greatest. (-3-2) ? -2.5 ? |-1| ? √9 ? 22 ? 12 2 ? 17. Identify the RATIONAL NUMBERS. Select ALL that apply. 5 3.14 √ π 25 16 √7 -9 0.6 7.549834435... 8 1 Complete this problem on paper and turn it in to be graded. 13. When working overtime, an auto mechanic gets paid 1.5 times the normal hourly wage. Overtime is the amount of time worked beyond 40 hours in a week. The auto mechanic's normal hourly wage is $21.00. Last week, the auto mechanic worked 46 hours. Part A: Write an expression to represent the amount of money earned last week. Part B: Evaluate the expression you wrote in Part A to find the amount of money earned last week. Show your work! 13. When working overtime, an auto mechanic gets paid 1.5 times the normal hourly wage. Overtime is the amount of time worked beyond 40 hours in a week. The auto mechanic's normal hourly wage is $21.00. Last week, the auto mechanic worked 46 hours. Part B: Evaluate the expression you wrote in Part A to find the amount of money earned last week. |