Vocabulary
What number represents a depth of 25 feet?
What is -25
(1,3) is located in this quadrant.
What is Quadrant I?
The reflection of (-1,3) across the x axis
What is (-1,-3)
A coordinate plane is formed when __________________ intersect
What is 2 number lines
What is the absolute value of -0.2?
0.2
A section of the coordinate plane. (There are 4 of them)
What is a quadrant?
Which point is in Quadrant IV? (-3,3) (-3,-3) (3,-3) (-3,-3)
What is (3,-3)?
The distance between (-2,4) and (-5,4)
What is 3 units
The reflection of (-5,-6) across the y axis
What is (5,-6)
Which is greater l-6l or 3?
l-6l
The place where you always start at the graph a point. It's location is (0,0)
The origin
Which point is on the x axis? (4,0) (0,4)
What is (4,0)
The distance between (8,9) and (8, -1)
What is 10 units?
Point K (2/3, -1 2/3) reflected across the Y axis. What are the new coordinates?
(-2/3, -1 2/3)
Name a point whose distance is 5 away from (-2, -1)
(-2, 4) or (-2, -6) or (-7, -1) or (3, -1)
Which is smaller |-4/5| or -(1/5)?
|-4/5|
What is a rational number? Give both an example and a non example.
A rational number is any number that can be written as a fraction. Example: 1/2. Non example: pi
Which quadrant has points (-x, -y)?
What is Quadrant III
Which coordinate becomes the opposite after reflecting over the y-axis?
The x-coordinate
What are the coordinates of the point (-8,-4) BEFORE it was reflected across the y axis?
What is (8,-4)
Which is greater: |-20| or the opposite of -20?
They're equal!
Is an integer always a rational number? Explain!
Every integer is a rational number but every rational number is not an integer.
What Quadrant contains points that have the same sign?
What is Quadrant I (+, +) and Quadrant III (-, -)
How can you use absolute value to find the distance between (0,-5) and (0, 9)?
|-5| + |9|
5 + 9
14 units
Point N(-3,2) reflected across BOTH axes. What are the new coordinates?
What is (3,-2)
We label quadrants using Roman Numerals by going ______________________ on the coordinate plane
What is counter clockwise
What is the difference between absolute value and an opposite?
Absolute value is the distance a number is from zero while an opposite is the same distance from zero but in the opposite direction.