7th Grade Math Review

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

• 7, 24y
• 3x, 9x
• 3x, -9x
• 3x, -9x, 2x²

Tags

CCSS.6.EE.A.2B

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

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

Tags

CCSS.7.EE.A.1

Simplify by combining like terms:
4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²

Tags

CCSS.7.EE.A.1

Which of these is the correct use of the distributive property for the following expression?
5(2x - 8)

• 10x - 8
• 10x + 40
• 7x - 3
• 10x - 40

Tags

CCSS.6.EE.A.3

Simplify the following expression by combining like terms:
(3b - 4) - (4b + 6)

• -b + 2
• -b - 10
• 7b - 10
• 7b + 2

Tags

CCSS.7.EE.A.1

Simplify the following expression by combining like terms:
3(2x - 4) + 6x - 1

• 12x - 13
• 12x - 5
• 11x - 2
• -x

Tags

CCSS.6.EE.A.3

Solve the equation: 
x + 7 = 12

• x = 5
• x = 19
• x = -5
• x = 84

Tags

CCSS.6.EE.B.7

Solve the equation:
x - 4 = -3

• x = -7
• x = 1
• x = 12
• x = -12

Tags

CCSS.6.EE.B.7

Solve the equation:
x - 3 = -12

• x = 9 
• x = -15
• x = -9
• x = 15

Tags

CCSS.6.EE.B.7

Solve the equation:
x - 2.6 = -4.6

• x = 2
• x = -2
• x = 7.2
• x = -7.2

Tags

CCSS.6.EE.B.7