Equation and Inequalities Unit test

Which numbers are solutions to the inequality x > 14 1/2? Check all that apply.

• 
• decimals larger than

  14 1/2

• whole numbers larger than 14 1/2

• the number 14 1/2

• fractions smaller than 14 1/2

Amaya is graphing the inequality x > 11 on a number line. Which statements below describe steps she may take to graph the inequality correctly? Check all that apply.

• Draw an open circle at 11.

• Draw a closed circle at 12.

• Shade all numbers to the right of 11.

• Shade all numbers to the right of 12.

The weight of a sack of potatoes was more than 11 pounds. Shana wants to write an inequality for the weight of the sack of potatoes. What constant should she use in the inequality?

Which statement is best represented by the inequality t < -15?

• Today’s temperature was less than -15 degrees Fahrenheit.

• Today’s temperature was greater than -15 degrees Fahrenheit.

• Today’s temperature was -15 degrees Fahrenheit.

• Today’s temperature was higher than -15 degrees Fahrenheit.

Mary bought a smart phone and has $11.43 left. How much did Mary have before she bought the smart phone? Write an equation and solve it by using the information in the table.

• 27.57

• 50.43

• 66.57

• 89.43

Sylvia shared a package of strawberries with 3 friends. Each friend received 8 strawberries. Sylvia wants to write and solve an equation to find the number of strawberries that were in the package. Which statements are part of the solution? Check all that apply.

• 
• 
• The variable, s, is equal to the number of strawberries each friend receives.

• The variable, s, is equal to the number of strawberries that were in the package.

• There are 24 strawberries in the package.

What is the value of d in the equation?

• 4

• 8

• 
• 

What is the value of a in the equation?

• 2

• 33

• 222

• 242

What is the solution to the equation?

• 
• 
• 
• 

Which steps are needed to solve this equation?
.
b- 21 = 177

• Subtract 21 from the left side and add 21 to the right side of the equation.
  The answer is b = 156.
  Check the solution by substituting 198 for b.

• Add 21 to the left side and subtract 21 from the right side of the equation.
  The answer is b = 156 .
  Check the solution by substituting 198 for b.

• Subtract 21 from both sides of the equation.
  The answer is b = 156 .
  Check the solution by substituting 156 for b.

• Add 21 to both sides of the equation.
  The answer is b = 198.
  Check the solution by substituting 198 for b.