Real Number System
List all the subsets for the following number:
14
Natural, Whole, Integer, Rational, Real
What is the positive and negative square root of 196?
14, -14
Mr. and Mrs. Scott go out for dinner at a local restaurant. Their bill is $62.75 and they leave an 18% tip. How much will they leave total including the tip?
$74.05
3x2 + 2y – 5z when x= 5, y= -2, and z=-1
76
Melissa reads 55 pages in 2 hours. How many pages does she read in 6 hours?
165 pages
List all the subsets for the following number:
0
Whole, Integer, Rational, Real
The square root of 296 is in between which two consecutive whole numbers?
17 and 18
If the regular price of a jacket is $62.00 and the discount rate is 15%, what is the discount price?
$9.30
41
At a movie theater, 4 bags of popcorn were sold every 15 minutes. At this rate, how many bags of popcorn will be sold in 75 minutes?
20 bags
Identify each classification of the real number system that can describe the set of the numbers shown.
{ 8.21, √49, 1/9 }
Rational, Real
Solve...
-√400
-20
A starting balance is $500.00. If a check is written on February 2 for $45.89 and a deposit is made on February 3 for $120.63, what is the newest balance?
$574.74
√36 - p(8-r) when p= 1/2 and r=6
5
On a map, the distance between two cities is 6.4 inches. If the map uses a scale of 2 inches represents 20 miles, what is the actual distance between the two cities in miles?
64 miles
What is the difference between an irrational number and a rational number? (INCLUDE VOCAB)
Irrational numbers are decimals that never terminate or repeat. Rational numbers are decimals that terminate or repeat.
Between which two consecutive integers is -√55 between?
-7 and -8
1,478 people went to the movies on Saturday, and 956 people went to the movies on Sunday. What was the percent decrease in people going to the movies from Saturday to Sunday? (Round your answer to the nearest tenth of a percent)
35.3% decrease
4(d + 5)3 – 2d + e when d=2 and e=9
1,377
Peanuts sold for $0.75 per pound while almonds were on sale for $0.85 per pound. If Marcus bought 2.5 pounds of each kind of nut, how much less did he pay for the peanuts than the almonds?
He spent $1.88 for peanuts and $2.13 for the almonds. He spent $0.25 less.
True or false?
Integers are decimals.
False - INTEGERS ARE NOT DECIMALS.
√142 is between which two whole numbers and is closest to which number?
Between 11 and 12 - closest to 12
Liliana takes out a loan for $8,500 to purchase a used car. The loan company charges a 12.5% simple interest rate on all loans. If Liliana waits 2 years to pay back the loan, what is the amount of interest the bank will charge Liliana?
$2,125
-b + 4(a+c)2 -52 when a= 3, b=-2, and c=5
233
Last summer, Jamal went on a vacation to China. He brought 200 dollars and converted all of it to Chinese yen. At the end of his trip, he had 130 yen left over. How many yen did Jamal spend?
**Note: 1 dollar = 6.5 Chinese yen
He spent 1,170 yen