Math 6B-Expressions Unit Test

Connections Academy

1.3 raised to what power is equal to 81?
2.Which expression has the greater value, 26 or 92 ? For your answer, type 1 for 26 or type 2 for 92 .
3.What are the variables in the equation y=3x−4 ?(1 point)

A.3 and 4

B.x only

C.y only

D.x and y

4.A sign is being painted that includes 3 small squares with a side length of s and 2 large ones with a side length of S . Write an expression to find the total area of the sign that needs to be painted.(1 point)
Responses

2S2−3s2
2 upper S squared minus 3 s squared

3S2+2s2
3 upper S squared plus 2 s squared

3S2−2s2
3 upper S squared minus 2 s squared

2S2+3s2

5.Evaluate the expression at specific values of their variables.(1 point)
Evaluate a5 − bc + 4a ÷ c when a = 2, b = 3, and c = 8_________

6.The expression 25c+48a represents the total cost for a group of children and adults to attend the amusement park. The variable c represents the number of children attending. The variable a represents the number of adults attending. What is the total cost for 12 children and 4 adults?(1 point)
The total cost is $____

7.A truck rental costs $2 per miles, m , driven plus a $24 rental fee. Translate the words into an algebraic expression.(1 point)
The expression is____

8.The expression 5p is given. What is this expression translated into words?(1 point)
Responses

the sum of 5 and a
number p

the quotient of 5 and a number p

the product of 5 and a number p

the difference of 5 and a number p

9.In the equation 9c=18 , the 9 is called a(1 point)
Responses

term.
term.

variable.
variable.

coefficient.
coefficient.

product.

10.What is the coefficient in the expression 9+8b−56 ?

The coefficient in the expression 9+8b-56 is 8.