Download Unit 3 Review - Effingham County Schools

WOW!!! We’re Making GREAT Progress!!
Evaluate the expression 42 – 10 + 5
The Smiths have 3 children that need
babysitting. They pay $15 plus $5 an hour.
Write an expression for the amount they will
pay for h hours of babysitting.
Which expression is equivalent to 12y3 + 6x
A) 3(4y3 +2 x)
B) 18y3x3
C) 4(3y3 + x)
D) 6(2y3 + 2x)
You’re having a birthday party at SK8 city!! It
costs $60 to rent the skating rink plus $10 per
person attending. How much will it cost if 15
people come to your party??
Which expression is equivalent to 8x + 10
A) x8 + 10
B) 8 + x + 10
C) x + x + x + x + x + x + x + x - 10
D) 2x + 6x + 5 + 5
Are the two expressions equivalent? Show how
you know.
y2 + 2z + y2 + 5
2y2 + 2z + 5
The formula for finding the Volume of a cube is
where s is the length of one side of the
cube. What is the volume of a cube with side
length of 4 cm?
If a cell phone company charges $55.95 for
service plus $0.15 for each text message per
month, which expression represents the cost of
m (monthly charges) if t text messages are
sent.
A) 55.95m + 0.15-t
B) 55.95m + 0.15 + t
C) 55.95m + 15t
D) 55.95m + 0.15t
Which situation could represent the expression
25 + 5b?
a) Dr. Brantley paid Mary $25 plus $5 per hour
to grade papers.
b) It costs $30 buy a blue pen.
c) Dr. Brantley ran 25 miles, then 5 more.
d) Dr. Brantley gave Mary $30 per hour to
grade paper.
Evaluate the expression (5+5)2 + 5
Evaluate the expression: 150  52 - 3 . 2
What phrase is NOT equivalent to this
expression? 10 x 5
a)
b)
c)
d)
10 groups of 5
The product of 10 and 5
The quotient of 10 and 5
10 multiplied by 5
Which situation could represent the
expression?
2.50x + 36
a)
b)
c)
d)
$38.50 for a new jacket from the Stable.
$36 per hour to work 2.50 hours at the
Stable.
$2.50 per hour + $36 to work at the Stable.
$36 for each hour to work at the Stable
minus $2.50 for the juice you drank.
Use the Distributive Property, to evaluate the
expression 15(y + x).
Which word phrase is NOT equivalent to 25x?
25 multiplied by x
25 groups of x
25 + x
The product of 25 and x
Which word phrase is equivalent to this
expression?
5x + 9
 nine more than the product of 5 and x
 the product of five and x and nine
 five times x minus nine
 the difference of 5x and 9
Write two equivalent expressions for
5 + y + 4 + 3y
The formula for finding the Volume of a
rectangular prism can be stated as V = l . w . h ,
where l = length of the prism, w = width of the
prism and h = height of the prism. Use the
formula to find the volume of a prism with
length of 25 inches, width of 1.5 inches, and a
height of 5 inches. Show your work.
Simplify: 7x2 + 3y+ y + x2 +12x.
Determine whether the following expressions
are equivalent: 6x + 2 and 2(3x + 1). Explain
your answer in words.
The formula for finding the Surface Area of a
cube is SA=6s2 , where s is the length of one
side of the cube. What is the surface area of a
cube with side length of 4 meters?
Write the expression “five cubed divided by
twenty-five” and then evaluate it.
Write an expression equivalent to
x2 + x + x + y + y + y + x2 + x2
At the Stable, Mrs. Weber sells juice for $3 each
and chips for $2 each. Write an algebraic
expression to represent her sales for selling j
juices and c chips.
Use this expression to determine how much she
will earn if she sells 10 juices and 12 bags of
chips.