Expressions Chapter 7

What are the terms in this expression?
7a + 8-2

• 7a

• 8 and 2

• 7a, 8 and 2

• addition and subtraction

In the expression 9a + 15- 3b, what are the coefficients? 

• 9, 15 and 3

• a and b

• 9 and 3

The cafeteria is raising the price of tacos at lunch by $3.  What expression could be used to find the new price of tacos that originally cost t dollars?

• t+3

• 3t

• 3-t

• t-3

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

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

• 15

• 12

• 18

• 21

What algebraic expression matches the word expression 20 more than the product of 5 and t?

• 20+t+5

• 20+5t

• 5t -20

What word expression matches the algebraic expression c ÷ 8

• the sum of c and 8

• the product of c and 8

• the difference of c and 8

• the quotient of c and 8

Which of the following is an example of a numerical expression?

• 9 less than the sum of x and 5

• 7a= 14

• 5 x 2 +18