Friday 8/23

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 the expression: 7v + 2 + 12 + 2v

• 23
• 23v
• 9 + 14v
• 9v + 14

Tags

CCSS.7.EE.A.1

3x-5x

• 2x
• 8x
• -2x
• 15x²

Tags

CCSS.7.EE.A.1

7x²-9x+x-12+5x²+3

• 12x²+10x-15
• 4x²-9
• 12x²-8x+9
• 12x²-8x-9

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

7x²-9x+x-12+5x²+3

• 12x²+10x-15
• 4x²-9
• 12x²-8x+9
• 12x²-8x-9

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.7.EE.A.1

Like terms have the same variable and the same _____________.

• sign.
• number.
• exponent.

Tags

CCSS.6.EE.A.4

10x-9+x²-8x²+2x-4

• 11x²-6x+5
• 7x²+12x+13
• -7x²+12x-13
• 5x²-13

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.8

A symbol for a number we don't know yet. It is usually a letter like x or y.

• Equivalent
• Like Terms
• Expression
• Variable

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

How many terms are in the expression: 
4a - 2b + 8 - 3a - 4b

• 5
• 3
• 9