Math in Focus Chapter 7 Algebraic Expressions

Identify the variable(s) in the following expression:

• x

• y

• x, y

• x, y, 8

Tags

CCSS.6.EE.A.2B

Identify the coefficient(s) in the following expression:

-6f + 2g - 9 + 10f

• 6, 2, 9, 10

• -6, 2, 10

• 6, 2, -9

• -6, 2, -9, 10

Tags

CCSS.6.EE.A.2B

What is the definition of a "coefficient?"

• A lowercase letter that represents an unknown quantity.

• A rational number.

• A number multiplied by a variable.

• Parts of an expression separated by addition or subtraction signs.

Tags

CCSS.6.EE.A.2B

Identify the constant(s) in the following expression:

-4a + 6 - a + 3

• -4, 6, -1, 3

• -4, -1

• 6, 3

• -4a, -a

Tags

CCSS.6.EE.A.2B

Translate the phrase into an algebraic expression: "Seven less than twice a number."

Tags

CCSS.6.EE.A.2A

• $400

• $275

• $5

Tags

CCSS.HSA-SSE.A.1A

Your favorite local band is selling merchandise and they have asked you to write an algebraic expression to represent their total profit. They are selling t-shirts (t) for $15 each and CDs(c) for $5 each.

• $400

• $275

• $5

Tags

CCSS.HSA-SSE.A.1A

What expression does this number line represent?

• 4n - n

• 2n + n

• 8n - 2n

• 16n - 4n

Tags

CCSS.HSA.CED.A.3

The table shown below represents the number of hours that Mike practiced his guitar each day. Which expression represents the total amount of time that Mike practiced his guitar?

• 10x

• 7x + 3

• 8x + 3

• none of the above

Tags

CCSS.6.EE.B.6

Translate the following sentence into an equation: "Eight times a number, decreased by 13, is equal to 35."