The Number System
3/7 ÷ 2/3
9/14
Write "7 less than a number n" as an algebraic expression.
n - 7
What ordered pair represents the origin on a coordinate plane?
(0,0)
Simplify the ratio 12:18.
2:3
The mode is the number (or numbers) that occurs the: _______
Most
True or false?: −10 > −2
False
The value of 24
16
To plot the point (3, -5), you go in these directions.
Right 3, down 5
There are 12 inches in 1 foot. This is how many inches are in 4 feet.
48 inches
Find the median of the data set:
2, 3, 6, 9, 10, 12
7.5
Find the GCF of 16 and 40
8
What are the coefficients in the following expression?:
5x + 3y - 9
5 and 3
A point with two negative coordinates, like (-3, -8), is in this Quadrant.
Quadrant III
A car travels 60 miles per 1 hour. How many miles does it travel in 3 hours?
180 miles
True or False? The following question is non-statistical: How tall are all the students at BUE?
False
Write the integer used to represent a withdrawal of 25 dollars from a bank account.
-25
Write an inequality for "a number x is greater than or equal to 10."
x ≥ 10
If you reflect point (-2, 3) across the y-axis, what is the new ordered pair?
(2,3)
Sam paid $7.50 for 10 pens. What is the price of 1 pen?
$.75
Find the range of the data set: 8, 12, 15, 20, 34, 47
39
Two numbers that are the same distance from zero on a number line, but in opposite directions, are called this.
Opposites
102 - (72+2)
49
The distance between (2, 5) and (2, 9).
4 units.
What is the better deal: Deal A. 4 apples for $4.75 or Deal B. 5 apples for $5.15?
Deal B. 5 apples for $5.15
A value that is much higher or much lower than the rest of the data is called this.
An Outlier