Algebra 1 Midterm Review

Find the mistake in the equation:
3(x-6) = 40
3x - 6 = 40
3x = 46
x = 15.333...

• The did not distribute correctly
• They did not add correctly
• They did not divide correctly
• They did not subtract correctly

Tags

CCSS.HSA.REI.A.1

Solve:
2x - 5 = -3x - 35

• x= -7
• x= -6
• x= -2
• x= 5

What property justifies step 1?
Problem: 2(x + 3) = 12
Step 1: 2x + 6 = 12
Step 2: 2x = 6
Step 3: x = 3

• Addition
• Distributive
• Subtraction
• Substitution

Tags

CCSS.HSA.REI.A.1

1/4 (12x + 16) = 10 - 3(x - 2)

• x = 0
• x = -2
• x = 2

Tags

CCSS.8.EE.C.7B

3(5x - 6) ≥ -108

• x ≤ -7
• x ≥ -7
• x ≤ -6
• x ≥ -6

Tags

CCSS.7.EE.B.4B

At Sonya's cello recital, there were 8 rows of chairs, with 6 chairs in each row. There was a person in each chair, and there were 17 more people standing. How many people were in the audience altogether? 

• 3
• 65
• 31
• 19

Tags

CCSS.7.EE.B.4A

What is the meaning of the x-intercept?

• There were initially 5 gallons of water in the tank.
• The tank loses 5 gallons of water per hour.
• It took 5 hours to empty the tank.
• IDK

Tags

CCSS.HSF.LE.B.5

Find the perimeter by combining like terms.

• 4x+8
• 4x-2
• 3x-2
• 2x+8

Tags

CCSS.7.EE.A.1

What is the slope of line
x = 3?

• 0
• Undefined
• 3
• 1

Tags

CCSS.8.EE.B.5

What is the slope of the line between the points (0, 6) and (-1, 4)?

• -½
• -2
• ½
• 2

Tags

CCSS.8.EE.B.5