1. The power that 1.3 needs to be raised to in order to equal 81 is 4.
2. The expression 92 has the greater value.
3. The variables in the equation y=3x-4 are x and y.
4. The expression to find the total area of the sign is 2S^2 + 3s^2.
5. The expression a^5 - bc + 4a ÷ c, when a = 2, b = 3, and c = 8, evaluates to 14 - 24 + 8 ÷ 8 = 14 - 24 + 1 = -9.
6. The total cost for 12 children and 4 adults is $150.
7. The algebraic expression for the truck rental cost is 2m + 24.
8. The expression 5p translated into words is "the product of 5 and a number p."
9. The 9 in the equation 9c = 18 is called a coefficient.
10. The coefficient in the expression 9 + 8b - 56 is 8.
ANSWER THE FOLLOWING
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 ?
1 answer