Unit 4 Inequalities, Expressions, and Equations

• x = -12

• x = 12

• x = -4

• x = 4

Choose the inequality that matches the word problem: Eva's parents gave her $30 to spend at the county fair. Admission is $8.00 and each ride costs $2.00. What is the greatest number of rides Eva can go on?

Choose the inequality that matches the word problem: Caroline's piano teacher suggests that she practices at least 225 minutes per week. Caroline plans to practice 5 nights each week.

Choose the equation that matches the following word problem: Julie had $96 to spend on 12 cards. After buying them she had $36. How much did each card cost?

always positive, distance a number is from 0

• multiply negatives

• circumference

• absolute value

• divide fractions

Select TWO answers. Identify the type of problem and the formula/steps you would use to solve the problem.

Which expression has the least value when y=50?

• evaluating expressions

• solving equations

• substitute the value for y, then use PEMDAS

• solve for y using SADMEP

Select TWO answers. Identify the type of problem and the formula/steps you would use to solve the problem. Which expression is equivalent to 5a - (3a + 2) + 9?

• solving equations

• simplifying expressions

• use SADMEP to solve for a

• KCS, distribute, combine like terms (like terms table)

Select TWO answers. Identify the type of problem and the formula/steps you would use to solve the problem. Which expression is equivalent to 3(2 - b) - 9 + 12b?

• simplifying expressions

• solving equations

• KCS, distribute, combine like terms (like terms table)

• solve for b using SADMEP

Select TWO answers. Identify the type of problem and the formula/steps you would use to solve the problem. Which choice describes the value of n when -4(n + 3) ≥ 18?

• solving inequalities

• solve for n using SADMEP AND flip the symbol

• simplifying expressions

• solve for n using PEMDAS

Select TWO answers. Identify the type of problem and the formula/steps you would use to solve the problem. What is the value of z when -8 = (z + 9) / 7?

• solving equations

• simplifying expressions

• use SADMEP to solve for z

• use PEMDAS to find the value of z