Evaluate Algebraic Expressions and Formulas

Evaluate Algebraic Expressions and Formulas

Multiple Choice

A variable is a letter

• Yes

• No

Multiple Choice

Constant is a value that can not change

• Yes

• No

Multiple Choice

A term is separated by a multiplication sign

• Yes

• No

Multiple Choice

A coefficient is a number that is multiplying a variable

• Yes

• No

Fill in the Blanks

 $3x-7y+21$  

How many terms does the expression have?

Open Ended

 $3x-7y+21$  

Which are the coefficients of the expression?

Open Ended

 $3x-7y+21$  

Write the variables of the expression

Multiple Choice

The expression  $3x-7y+21$  has 3 constants

• Yes

• No

Open Ended

Amir is saving money to buy a bluetooth headset that costs $120. He starts with $25, and each week he saves $9. The expression

25+9w gives the amount in dollars that Amir will have saved after w weeks.

How much Amir have saved after 8 week?

Poll

Amir is saving money to buy a bluetooth headset that costs $120. He starts with $25, and each week he saves $9. The expression

25+9w gives the amount in dollars that Amir will have saved after w weeks.

Amir could buy the headset in 10 weeks

• True

• False

Open Ended

Amir is saving money to buy a bluetooth headset that costs $120. He starts with $25, and each week he saves $9. The expression

25+9w gives the amount in dollars that Amir will have saved after w weeks.

After how many weeks will Amir have saved enough money to buy the headset?

Open Ended

 Evaluate the expression for the given value of the variable. (For m=14)
 $4\times\left(m-8\right)\div3$