Solving One and Two Step Equations and Inequalities

Sam earns $4 per hour completing chores on the weekends. Last weekend, he earned $10. Use the model to determine x, the number of hours Sam worked last weekend.

• x = 10

• x = 2

• x = 2 1/2

• x = 6

Which figure shows the inequality x > -4?

• Figure 1

• Figure 2

• Figure 3

• Figure 4

8x ≥ -32

• x ≥ -4

• x ≥ 4

• x ≤ -4

• x ≥ 4

s + 9 ≥ -25

• s ≥ -18

• s ≥ -34

• s ≤ 18

• s ≥ 34

Greg wrote in his math journal that 17 - x = 9 is an example of an algebraic equation. Which statement is true about the example Greg wrote in his math journal?

• Greg's example is an equation because there is a variable present.

• Greg's example is an equation because it is a number sentence stating two amounts are equivalent.

• Greg's example is an equation because x can represent any value.

• Greg's example is an equation because there are two numbers present.

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥ 

• <, >

The minimum height a person must be to ride the Superman Roller-coaster is 54 inches. Which inequality can be used to show this?

• S > 54 inches

• S ≥ 54 inches

• S < 54 inches

• S ≤ 54 inches

Solve the following equation
X + 8 = 15

• 23

• -7

• 7

• -23

Solve the following equation
1 + a = 15

• 14

• 16

• 12

• - 16

Solve the equation:
x - 4 = 6

• x = 10

• x = -10

• x = 2

• x = -2