Alg 1 Review #1: Expressions, Equations & Inequalities

Bellringer: Do you have a DeltaMath account?

Which expression represents: "the product of 3 and x increased by 5"? 

Which verbal expression represents the given expression?  3(4-x)

Simplify the following expression: -6x + 4(-x - 3)

Evaluate expression x=7, y=15, z=8

xz - 2y + 8

Evaluate expression if a=3 and b=4

4b-5a

96 = -3 (4x - 4)

51 = 3 (3m + 2 )

Solve 2x - 3 = 1 

Solve: 2(a + 4) = 2a - 8 + 4a

Three desks and a bookcase together weigh 157 pounds. The bookcase weighs 34 pounds. Which equation could help me find out how much each desk weighs?

Oshgosh would like to buy a new pair of skates for $115. So far he has saved $40. If he earns $7.50 per hour, how could I find out how many hours he must work in order to buy the skates?

When solving the inequality $$-9x>27$$  you must flip the inequality symbol.

$$-\infty$$  and  $$\infty$$ are always closed with parentheses ( ) because they represent numbers that continue forever and ever.

$$x+3>-17$$  

Check all that apply

$$x+5>8$$  

Select all that apply

Write an inequality for the situation below.

The number of students the bus holds, s, is less than 40.

Multiply Choice.  Solve $$2x+6\ge26$$