Variables/Expressions
Name the operation that corresponds with each word.
Minus
Product
Plus
Minus- Subtraction
Product-Multiplication
Plus-Addition
What is the simplified form of (3.2)4 ?
104.86
Name the subsets of the real numbers that -18 belongs in.
Integers, Rational Numbers
Simplify the expression: 17 + (-15)
2
Simplify the expression: 6(4x-7)
24x - 42
Write an algebraic expression for the word phrase
10 more than a number f.
f+10 or 10+f
What is the simplified form of (62 + 4) - 15 ?
25
What is the square root of 324?
18
The wheel was invented about 2500 BC. The gasoline automobile was invented in AD 1885. How many years passed between the invention of the wheel and the invention of the automobile?
4385 years
Simplify the expression: -2(-5x-8)
10x +16
What is an algebraic expression for the word phrase
The product of 11 and a number s
11s
What is the simplified form of 4 (62 /3) +7
55
What is the square root of 196?
14
If r = -18, s = 27, and t = -15, what is the value of
r - s - t ?
-30
Write the simplified form of the following expression:
14mn + 6mn2 - 8mn - 7m2n + 5m2n
6mn - 2m2n +6mn2
Hannah and Tim collect stamps. Tim is bringing his stamps to Hannah's house so that they can compare. Hannah has 60 stamps. Which expression represents the total number of stamps that they will have if t represents the number of stamps Tim has?
60 + t or t + 60
What is the value of -4d2 +(15d2 /5) for d=1
-1
The equation (8 + 2) + 7 = (2 + 8) + 7 illustrates which property?
Commutative Property of Addition
If x = -3/4 and y= 1/6, what is the value of -2xy?
1/4
The money a company received from sales of their product is represented by the equation y = 45x - 120, where y is the money in dollars and x is the number of products sold. How many products does the company need to sell in order to receive $3705?
A)42 B)85 C)105 D)166,605
B)85
Hershel's bakery sells donuts by the box. There are d donuts in each box. Beverly is going to buy 10 boxes for a class field trip. Write an expression that represents the total number of donuts that Beverly is going to get for her field trip?
10d
What is the value of (5x2)3 + (16y/4y) for x=2 and y=3?
8004
Write an example for the Identity Property of Multiplication and the Identity Property of Addition.
Sample*
Multiplication- 5 X 1
Addition- 5 + 0
Simplify the expression: (-1/7)/(-2/3)
3/14
Which ordered pair is a solution of y = 6x - 1 ?
A) (-3, -17) B) (-1, 7) C) (1, 7) D) (3, 17)
D) (3, 17)