Represent Integers & Rational Numbers
Write an integer to represent:
A football team loses 3 yards on a play.
-3
What is the opposite of –9?
9
Which is greater: –2 or –5?
-2
What are the coordinates of a point 4 units right and 2 units up from the origin?
(4,2)
Reflect the point (3, 2) across the x-axis.
(3, –2)
Which integer represents a temperature 7 degrees above zero?
7
Find the absolute value: |–12|
12
Fill in the blank:
–8 ___ –3
(Hint: Inequality)
-8<-3
Identify the quadrant of the point (–3, 5).
Quadrant II
Reflect the point (–4, 1) across the y-axis.
(4,1)
Place these integers in order from least to greatest:
3, –2, –7, 0
–7, –2, 0, 3
What is the distance between –3 and 5 on a number line?
HINT: Draw a number line or count on your fingers)
8 units
Order from greatest to least:
–1, –9, 4, 0
4,0,-1,-9
Plotting the point (0, –6) lands on which axis?
Y-axis
Reflect (–2, –5) across the x-axis.
(-2,5)
Write a rational number to represent owing $4.50 to a friend.
-4.5 or -4.50
Which number has the greater absolute value: –15 or 12?
–15 (absolute value is 15)
True or False:
|–6| < |4|
False (6 > 4)
A point is located at (–5, 4).
If you move the point 8 units to the right, what are the new coordinates?
(3, 4)
Point A (6, –3) is reflected across the y-axis AND THEN the x-axis.
What is the final coordinate?
(-6,3)
A submarine begins at sea level and dives to a depth of 325.
What is its final elevation?
-325
Diver A is at (0,–18). Diver B is at (2,7). What is the vertical distance between them?
25 units
A city’s temperatures for four days were:
Day 1:–4°F,
Day 2: 3°F,
Day 3: –8°F,
Day 4: 0° F
Which day had the second coldest temperature?
Day 1 at –4°F
The point A is at (–7, 0).
What axis is the point on?
x-axis
Point B is at (–8, 4).
Write the coordinate of its reflection across the y axis.
(8,4)