MATH MOD QUIZ 3 UNIT 2

Art's wife wants to cover the floor with 1 foot square carpet tiles. The tiles are sold in boxes of 20 for $38.90. Before Art's wife can buy the correct amount of boxes, what other information does she need to know?

the dimensions of the floor

KiKi's take-home pay is $625 per week. What is her annual take-home pay? (Hint: There are 52 weeks in a year.)

$32,500

Nicholas has a new job making $9.50 an hour. He worked 38 hours last week. He also had deductions of 7.25% for Social Security and 1.6% for health benefits. After deductions, what was Nicholas' pay?

$329.05

Mr. Hall wants to buy a new car. The credit union at work will lend him $25,000 to be paid back in 60 monthly installments. What will be his monthly payment?

$416.67

The Kims want to visit relatives who live 800 miles from their home. If a thirty minute stop will be taken for lunch, and the average speed will be 70 miles per hour, about how long will the trip take?

12 hours

A room is half as wide as it is long. Select the correct expression to describe the area of the room.

A=l x 2l

What is the first step in solving the following equation: (2/5)x-15=1?

Add 15 to both sides of the equation.

The __________ property says that if x=1,-22x=-22.

NOT symmetric property NOT transitive property associative property MAYBE reflexive property multiplicative identity

The __________ property says that x+y+4+(-4)=x+y+0

additive inverse

The __________ property allows you to regroup terms using parentheses.

associative

The __________ property allows 2×4=4×2 and b+3=3+b.

commutative

Jack is two years older than Sue, and Sue is two times older than Bill. What more do you need to figure out their ages?

how old Bill is

The solution set of {0,2} for x(x-2)=0 is an example of the __________.

multiplication property of zero

Nicholas wants to use his salary of $329.05 per week to buy a television that costs $1,000. Will he be able to afford the television in 3 weeks?

no

When two lines are __________, their slopes are the same and they never intersect.

parallel

A right angle is formed by two __________ lines.

perpendicular

x2+6x=x2+6x is an example of the __________ property.

reflexive

Tickets to the movies are $10 for adults and $6 for children. Popcorn, soda, and candy cost a total of $8.50 per person. Jay's family of 2 adults and 4 children are going to a movie. How much change will Jay get back from a $100 bill?

$5

4x-4=4(x-1) is an example of the __________ property.

distributive

If y=4x+6 , then 4x+6=y is an example of the __________ property of equality.

symmetric