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W ARMUP y = 3x+5. G RAPHING L INEAR E QUATIONS Chapter 5 Section 1 and 2.
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Transcript of W ARMUP y = 3x+5. G RAPHING L INEAR E QUATIONS Chapter 5 Section 1 and 2.
![Page 1: W ARMUP y = 3x+5. G RAPHING L INEAR E QUATIONS Chapter 5 Section 1 and 2.](https://reader036.fdocuments.us/reader036/viewer/2022082821/5697c02c1a28abf838cd906e/html5/thumbnails/1.jpg)
WARMUP
y = 3x+5
![Page 2: W ARMUP y = 3x+5. G RAPHING L INEAR E QUATIONS Chapter 5 Section 1 and 2.](https://reader036.fdocuments.us/reader036/viewer/2022082821/5697c02c1a28abf838cd906e/html5/thumbnails/2.jpg)
GRAPHING LINEAR
EQUATIONS
Chapter 5 Section 1 and 2
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SOLUTIONS WITH 2 VARIABLES
To determine if an ordered pair is a solution to an equation, plug the ordered pair into the equation and simplify.
If the left side equals the right side, it is a solution.
If the left side does not equal the right side, it is not a solution.
![Page 4: W ARMUP y = 3x+5. G RAPHING L INEAR E QUATIONS Chapter 5 Section 1 and 2.](https://reader036.fdocuments.us/reader036/viewer/2022082821/5697c02c1a28abf838cd906e/html5/thumbnails/4.jpg)
EXAMPLES
y = -2x + 5 (3, 0)
(2, 1)
(6, 7)
![Page 5: W ARMUP y = 3x+5. G RAPHING L INEAR E QUATIONS Chapter 5 Section 1 and 2.](https://reader036.fdocuments.us/reader036/viewer/2022082821/5697c02c1a28abf838cd906e/html5/thumbnails/5.jpg)
GRAPHING LINEAR EQUATIONS
Steps to Graphing Linear Equations: 1. Rewrite the equation in function form (solve
for y) 2. Draw an x-y table 3. Find what y is when x= -2, -1, 0, 1, 2 4. Rewrite the x and y values into ordered pairs 5. Plot the ordered pairs on the graph
![Page 6: W ARMUP y = 3x+5. G RAPHING L INEAR E QUATIONS Chapter 5 Section 1 and 2.](https://reader036.fdocuments.us/reader036/viewer/2022082821/5697c02c1a28abf838cd906e/html5/thumbnails/6.jpg)
GRAPHING LINEAR EQUATIONS: EXAMPLE
InputX
OutputY
Work
-2-1012
y=2x+1
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GRAPHING LINEAR EQUATIONS: EXAMPLE
InputX
OutputY
Work
-2-1012
y=-3x+2
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GRAPHING LINEAR EQUATIONS: EXAMPLE
InputX
OutputY
Work
-2-1012
-8x+4y=-12
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HORIZONTAL LINES
An equation is a horizontal line if it does not have an x variable. (only has a y variable)
Example: y=2 y=-1 y=5 y=0
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HORIZONTAL LINES
2y 5y
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VERTICAL LINES
An equation is a vertical line if it does not have a y variable (only has an x variable)
Example: x=2 x=-1 x=5 x=0
![Page 12: W ARMUP y = 3x+5. G RAPHING L INEAR E QUATIONS Chapter 5 Section 1 and 2.](https://reader036.fdocuments.us/reader036/viewer/2022082821/5697c02c1a28abf838cd906e/html5/thumbnails/12.jpg)
VERTICAL LINES
4x 7x
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CLASS WORK
Blue book: pg 119 # 1-15Blue Book: pg 121 # 1-6
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HOMEWORK
Page 214-215 # 15-20, 36,37,40,41