Vocabulary
The vertical number line- x or y axis?
The horizontal number line- x or y axis?
The vertical number line- y axis
The horizontal number line- x axis
Use your white board to label all 4 quadrants.
Answer on white board.
What is the distance between (8, -3) and (1, -3)?
7 units
To reflect over the x-axis change the _________.
Y-Coordinate
How do you find area and perimeter?
Area- length times width
Perimeter- Add all of the sides
The 4 sections of a coordinate plane
A quadrant
(1,3) is located in this quadrant
Quadrant I
the distance between (-2,4) and (-5,4)
3 units
To reflect over the Y-axis change the _________.
X-Coordinate
Length of a fence- area or perimeter?
Size of a rug- area of perimeter?
Length of a fence- perimeter
Size of a rug- area
The place where you always start at the graph a point. It's location is (0,0)
The origin
Which point is in Quadrant IV? (-3,3) (-3,-3) (3,-3) (-3,-3)
(3,-3)
The distance between (8,9) and (8, -1)
10 units
the reflection of (-1,3) across the x axis
(-1,-3)
What ordered pair would make the 4th point of this rectangle? (-3,3) (2,3) (-3,-4)
(2,-4)
Which number is the y-coordinate and which number is the x-coordinate? (-3,4)
x-coordinate: -3
y-coordinate: 4
Which quadrant has points (-x, -y)?
Quadrant III
What is the distance between (-6,2) and (-6, 10)?
8 units
the reflection of (-5,-6) across the y axis
(5,-6)
What are the dimensions of this rectangle? (-3,3) (2,3) (-3,-4) (2,-4)
5 units by 7 units
What is an ordered pair?
a pair of numbers used to locate a point on a coordinate grid
Which point is on the x-axis? (4,0) (0,4)
(4,0)
What is the distance between (0,-5) and (0, 9)
14 units
(-3,2) reflected across BOTH axes
(3,-2)
What is the area and perimeter of this rectangle? (-3,3) (2,3) (-3,-4) (2,-4)
Perimeter- 24
Area- 35