Algebra 1 Semester 1 Review

Perform the given operation and simplify:

(-9)(-8)

• -72
• 72
• 81
• -81

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Perform the given operations and simplify:
(2 + 7 - 1) ÷ 2²

• 16
• 2
• 72.25
• 8.75

Tags

CCSS.6.EE.A.2C

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Tags

CCSS.7.EE.A.1

• Can't be simplified

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Tags

CCSS.7.EE.B.4A

Solve for y:

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

Tags

CCSS.6.EE.B.7

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

Solve for x:

7(2x - 4) = 42

• x= 5
• x= 8
• x= 2
• x= 9

Tags

CCSS.7.EE.B.4A

What is the probability of spinning red?

• 0
• 5/12
• 1/2
• Impossible to calculate

A basket has 3 red marbles, 2 blue marbles, and 5 green marbles. If a marble is picked at random, what is the probability that the marble will be red or blue?