Pre Algebra: Coordinate Planes

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Pre- AlgebraCoordinate Planes

• Chapter 13 review

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Vocabulary

• A flat surface is called _________
• Two perpendicular number lines added to it is a
  ______________
• Two perpendicular number lines added with X and Y
  axis is a ______________
• Left to right, is what direction? ________
• Up and down means ______________
• The ________ is the point where the coordinate
  axes cross each other.

plane
Coordinate axis
Coordinate Plane
horizonatal
Vertical
origin
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Vocabulary

• The horizontal axis is called the _______.
• The vertical axis is called ___________.
• A pair of numbers in a special order is called an
  ____________.
• The change between two points on a line in a left
  to right direction is called the _______.
• The steepness of a straight line is the
  _______________.

X axis
Y axis
Ordered Pair
run
slope
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Vocabulary

• The change between two points on a line in an up
  and down direction is called the _______.
• A dot on a graph is called a __________.
• A line made with graphs of ordered pairs from an
  equation is the _____________.
• Essay Why do we solve graphing equations?
• Drawing Label each quadrant

rise
point
Graph of an Equation
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Coordinate plane

• A at (6,-9)
• B at (2,5)
• C at (-8, -8)
• D at (-4,0)

.
.
.
.
Remember you must always place a letter next to
your point!!

• Coordinate game

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Complete Graphing Equation Tables

• 5.
• 6.

-2
1
4
10
7
2
4
-2
0
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Slope

• (3,7) and (2,3)
• (-4,2) and (6,3)
• (0,-5) and (5,3)
• (0,6) and (5,-6)

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1/10
8/5
-12/5
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Graph Equations

• y 3x 1
• Y 4 x
• Y 9 x
• Y 3x 5
• Y 10 x
• y 5x - 2

Graph on the overhead!!
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Questions????

• Remember to take your study
• Guide home!!!