add and subtract monomials

Simplify the following expression:
-10x + 15 - 3x + 2

• 13x² + 17
• -13x² + 13
• -13x + 17
• -7x + 17

Tags

CCSS.7.EE.A.1

Simplify the following expression:
-8x + 4x

• -12x
• -4x
• 4x
• 12x

Tags

CCSS.7.EE.A.1

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Tags

CCSS.7.EE.A.1

Simplify: x ∙ x ∙ x ∙ x ∙ x  ∙ x

• x⁶
• 6x
• x³
• 6x⁶

Simplify the expression:

3x² - x + 7 + 5x + 2 - 2x²

• x² + 4x + 9

• 5x² + 9

• 15

• 15x

Tags

CCSS.7.EE.A.1

X² can be combined with X

• True

• False

Tags

CCSS.7.EE.A.1

Simplify the Expression:

3x²y + 4x - 6y + 4x²y -2y

• 11x²y - 8y

• 3y

• 7x²y - 4y

• 7x²y + 4x - 8y

Simplify the Expression:

7x² - 3a +20 - 4x² + 2a

• 11x² - a + 20

• 3x² - a + 20

• 2a + 20

• 3x² - a

Tags

CCSS.7.EE.A.1

x² can be combined with 2x²

• True

• False

Simplify the Expression:

9xy + 3x - 6xy + 2x

• 3xy + 5x

• 8xy

• 8x

• 15xy + 5x

Tags

CCSS.7.EE.A.1