Equations and Inequalities STAAR tutorial review

Which equation is true when x = 8?

• 2x + 6 = 24

• 5x - 4 = 44

• 4x + 9 = 17

• 3x - 4 = 20

Graph on the number line below the solution to the inequality sentence 2x - 3 ≤ 5

Which equation represents the linear relationship between the x-values and the y-values in the table?

• y = 2x + 12

• y = 5x - 6

• y = 6x - 5

• y = -x - 11

An office manager paid $675.95 to build a web site. The office manager bought a software package for $68.50 and paid an employee $127.95 for each hour she worked on the website. Write an equation to represent x, the number of hours the employee worked on the website.

Mathematical Equivalence

ON

The model represents an equation. What is the solution for the equation?

• x = 12

• x = 4

A youth group is trying to raise money for camp. They received $120 in donations. The youth group are selling coupon books for $15 each to earn the rest of the money they need. Camp will cost a total of $475. Which inequality can be used to find c, the number of coupon books the youth group needs to sell in order to earn enough money to pay for camp?