12/7 - Warm Up #55 Accel

How many terms are in the expression
3x + 2y + z

• 5
• 2
• 4
• 3

Tags

CCSS.6.EE.A.2B

What is a variable.

• A number without a letter.

• A number multiplied by a letter.

• A symbol to represent the unknown.

• Parts of the expression separated by plus or minus signs.

Tags

CCSS.6.EE.A.2B

Identify the variables in the expression
3x +  9

• x
• y
• 9
• 3x

Tags

CCSS.6.EE.A.2B

x-7 is  _______

• an expression
• an equation 
• neither an expression nor an equation.

Tags

CCSS.6.EE.A.2B

Use the distributive property to solve:

6(y + 4)

Tags

CCSS.6.EE.A.3

Use the distributive property to solve:

-5(2x - 3)

Tags

CCSS.6.EE.A.3

Solve for x:
5x - 14 = 8x + 4

• x = 6
• x = -6
• x = -18/13
• x = 10/3

What is the first step you should do to solve this equation?

• Multiply by -3 on both sides.

• Subtract 33 from both sides

• Subtract 19 from both sides

• Divide by -3 on both sides

Tags

CCSS.7.EE.B.4A

Solve for y

y = _

Tags

CCSS.7.EE.B.4A

33 = 4a - 7
a = _

Tags

CCSS.7.EE.B.4A