A16­4StandardForm.notebook
September 24, 2014
Algebra 1
Ch.6 Notes Page 29
P29 6­4 Standard Form
Sep 2­8:31 AM
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A16­4StandardForm.notebook
September 24, 2014
Standard Form
Ax + By = C
A, B, and C are Numbers
2x + 3y = 6
Standard Form allows you to find the x and y intercepts quickly
X­Intercept: Where Graph Crosses X­Axis
Y­Intercept: Where Graph Crosses Y­Axis
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A16­4StandardForm.notebook
September 24, 2014
Finding X and Y Intercepts
Use Zero to Find the X and Y Intercepts
Make a T­Chart
Substitute Zero for X to find Y
Substitute Zero for Y to find X
Graph the Line
2x + 3y = 6
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A16­4StandardForm.notebook
September 24, 2014
Graphing Lines Using Intercepts
3x + 4y = 12
4x + 2y = ­8
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A16­4StandardForm.notebook
September 24, 2014
Graphing Horizontal and Vertical Lines
Horizontal Lines have Slopes = 0
X does not Matter
Y always equals some number
Vertical Lines have Undefined Slopes
Y does not Matter
X always equals some number
x = 3
y = 2
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A16­4StandardForm.notebook
September 24, 2014
Converting to Standard Form
y = ­3x + 2
y = 2x + 4
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A16­4StandardForm.notebook
September 24, 2014
Converting to Slope­Intercept Form
4x + 2y = ­8
2x + 3y = 6
Dec 2­8:40 AM
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A16­4StandardForm.notebook
September 24, 2014
Word Problem
Write an equation in standard form to find the minutes someone who weighs 150lbs would need to bicycle and swim laps in order to burn 300 calories.
Nov 27­8:56 AM
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A16­4StandardForm.notebook
September 24, 2014
HW #32
6­4 P333 #1­5,10­14,18­20,23,24,27,28,36,37,70­76
Please put your name and class period at the top of the homework.
Also include the homework number.
Sep 30­2:26 PM
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