iblog teacher websites – dearborn public schools · web viewsection 6-5: parallel and...
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Section 6.5 Guided Notes Algebra I
Objective: I will be able to determine if a pair of linear functions are parallel, perpendicular, or neither.
Graphing lines in Standard Form: ____________________ Graph this line: ____________________
Method 1:
Method 2:
Graph this line: ____________________
Equations for a Line:
Slope-intercept Form
Standard Form
Point-Slope Form
Horizontal Lines
Vertical Lines
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On the same set of axes graph these two lines: ____________________ ____________________
What is the relationship between the two lines you just graphed?
Parallel Symbol
y = -2x + 1 Write this equation in Slope-Intercept Form
6x + 3y = -12
What do you notice about the two equations?How do you know by just looking at the equation of two lines if they are parallel?
On the same set of axes graph these two lines: ____________________ ____________________
What is the relationship between the two lines you just graphed?
Parallel Symbol
y = -2x + 1 Write this equation in Slope-Intercept Form
6x + 3y = -12
What do you notice about the two equations?How do you know by just looking at the equation of two lines if they are perpendicular?
![Page 3: iBlog Teacher Websites – Dearborn Public Schools · Web viewSection 6-5: Parallel and Perpendicular Lines Two lines are parallel if they: Two lines are perpendicular if they: Find](https://reader036.vdocument.in/reader036/viewer/2022071023/5fd7ab47de5b631a27760cdb/html5/thumbnails/3.jpg)
Section 6-5: Parallel and Perpendicular Lines
Two lines are parallel if they:
Two lines are perpendicular if they:
Find the opposite reciprocal of each number:
Is each pair of lines parallel?
1. 2. 3. 4.
Is each pair of lines perpendicular?
1. 2. 3. 4.
Tell if each pair of lines are parallel, perpendicular, or neither
1. 2. 3. 4.
Use this equation: ___________________ Use this equation: ___________________
Use this equation: ___________________