algebraic expressions and equations
simpifying expressions
function rules, scatterplots, and stem-and-leaf plots
types of numbers
mean, median, mode, range
100
What is the product of q and 3?
3q
100
What is the first rule to simplifying expressions according to the order of operations?
parentheses or grouping symbols
100
The cost of pizza increases with the amount of people in the group. Identify the independent and dependent quantity in the situation.
independent: number of people in the group dependent: cost of pizza
100
True or false? A rational number is always a real number.
True
100
Find the range for the set of numbers. 5 -2 0 1 10 17 -1 9
19
200
What is 5 minus a number?
5 - n
200
What is 5^2 x 10 + 32 / 4?
258
200
What type of correlation is a scatterplot that decreases from left to right.
negative correlation
200
Write the number 3.6 in the form a/b, using integers, to show that it is a real number.
36/10
200
Find the mean and the range for the set of numbers. 7 12 20 3 8
mean: 10 range: 17
300
What is the equation to model total cost to rent a car is $15 times the number of hours the car will be used. Use c=total cost and h=number of hours.
c = 15h
300
Simplify |-4.2|.
4.2
300
Describe the correlation for a scatterplot in which both variables increase.
positive correlation
300
Multiple choice. Name the set(s) of numbers to which 3.57 belongs. (a) rational numbers, irrational numbers (b) natural numbers, whole numbers, integers, rational numbers (c) rational numbers (d) none of the above
C
300
Give the mode for the set of numbers. 5 1 3 17 1 15 3 4 9 1 12
1
400
What is an equation to show the amount of money in a jar of quarters related to the number of quarters in the jar. Use t = total amount and n = number of quarters.
t = $0.25n
400
Simplify 5 + (3^2 - 1) /4 - 3.
4
400
Write a function rule for the following: Hours worked Pay 2 $13 4 $26 6 $39 8 $52
p = 6.50h
400
Multiple choice. Name the set(s) of numbers to which -2 belongs. (a) integers, rational numbers (b) whole numbers, integers, rational numbers (c) rational numbers (d) whole numbers, natural numbers, integers
A
400
Over the first semester, Daphne scored the following on her history tests: chapter 1 was a 92, chapter two was a 74, chapter 3 was an 88, chapter 4 was an 84, and chapter 5 was a 79. Find the mean and median of this data.
mean: 83.4 median: 84
500
Write an equation for the following situation. Bart opened a savings account with $75and is going to add $15 each month to it. Let s=the amount in the savings account and m=month.
s = 75 + 15m
500
Evaluate a^2 + 3b when a = 4 and b = 5.
31
500
Create a stem-and-leaf plot for the following set of numbers. 92 73 81 77 73 90 81 78 85 86 90 79 88
stem | leaf 7 | 3 3 7 8 9 8 | 1 1 5 6 8 9 | 0 0 2
500
Name the set of numbers that is the most reasonable to describe the number of people at a party.
whole numbers
500
The girls and boys basketball teams recorded their last ten games in the stem-and-leaf plot. Which team had the better average?
Girls: 73.5 Boys: 73 Girls had the better average
M
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