Graded Quiz

Which equation would describe "two times a number plus five equals 15"?

• x + 5 = 15
• 2x + 5=15
• x + 2(5) = 15
• 2(x + 5) = 15

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Tags

CCSS.7.NS.A.3

Look at the work. What was done incorrectly?

• Don't divide by 2 first
• Don't add 7 to both sides
• It's correct!
• They should have subtracted 7

Tags

CCSS.HSA.REI.A.1

7x - 4 = 3 + 8x

• x = 7
• x = -7
• x = 2/7
• x = 11

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

8x - 8 = -4x + 16

• x = 8

• x = 16

• x = 24

• x = 2

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

7x = 3x + 24

• 6
• 10
• 14
• 4

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Translate into an expression:
two more than three times x 

• 3x-2
• 2>3x
• 2+3x
• 2(3x)

Tags

CCSS.6.EE.A.2A

3 ( a + 22 ) = 12a = 30

• a = 8

• a = 2

• a = 4

• a = -2

Tags

CCSS.7.EE.B.4A

3 ( a + 22 ) = 12a = 30

• a = 8

• a = 2

• a = 4

• a = -2

5a - 6b + 4a + 3b

• 9a - 3b
• a + b
• 6ab
• -b + a

Tags

CCSS.7.EE.A.1