Integers
Write an integer to represent: You go down 8 floors in an elevator.
-8
Evaluate: |8|
8
Name the opposite of 3/4.
-3/4
Identify the ordered pair for the point 3 units right and 2 units up from the origin.
(3, 2)
Write the inequality for: A number n is greater than 1.
n>1
Which integer represents a debt of twenty-four dollars?
-24
Which is greater: 2 or |−5| ?
|−5|
Which is greater: −1/2 or −3/4?
-1/2
What quadrant is the point (−2, 3) in?
Quadrant II (2)
Check the solution: Is x = 8 a solution to x + 1 > 7?
Yes
On a number line, which is greater: -3 or -7?
-3
Find |−3 1/2|
3 1/2
Order from least to greatest: −1.75, 1.3, -2, 0
−2, −1.75, 0, 1.3
Reflect (−3, −1) across the y-axis. Give the reflected ordered pair.
(3, -1)
Give the inequality that matches a closed circle at 9 with shading to the left.
x ≤ 9
A submarine is 3,750 feet below sea level. Write this as an integer.
-3750
Two checkpoints are at elevations −142 ft and 110 ft. Which is farther from sea level?
First checkpoint: -142
Convert time to a fraction of a 12-hour clock: 3:15 A.M. as a fraction after midnight (use 12:00 A.M. = 0).
3.25 or 3 1/4 or 13/4
Find the distance between (−3, −5) and (2, −5).
5 units
Solve and graph: 1.75r > 42. For what values of r is a 30‑day bus pass (cost $42) a better deal than paying per ride ($1.75 per ride)?
You start at ground level (0), go down 2 floors, then up 7 floors. Write an integer for where you end up.
5
The balance of a bank account changes by +14.72, −15.36, and −38.75 dollars. Which transaction has the greatest effect on the balance?
3rd transaction: -38.75
A stock changes −0.42, 0, −0.45 dollars over three days. Which day had the largest magnitude of change?
Day 3 changed the most
The vertices of a rectangle are (−8, 10), (4, 10), (4, 2), (−8, 2). Find the perimeter and the area.
P=40 A=96
You have $33. You buy a necklace that costs $16 and one other item from the list: T‑shirt $15, Book $20, Sunglasses $13. Write an inequality that represents how much you can spend on the other item and determine which items you can buy with the remaining money.
x ≤ 17. Test items: T‑shirt $15 OK (15 ≤ 17); Book $20 not OK; Sunglasses $13 OK.