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0. Review of Algebra4h 16m
1. Equations & Inequalities3h 18m
2. Graphs of Equations1h 31m
3. Functions2h 17m
4. Polynomial Functions1h 44m
5. Rational Functions1h 23m
6. Exponential & Logarithmic Functions2h 28m
7. Systems of Equations & Matrices4h 6m
8. Conic Sections2h 23m
9. Sequences, Series, & Induction1h 19m
10. Combinatorics & Probability1h 45m

2. Graphs of Equations

Lines

College Algebra2. Graphs of EquationsLines

2:22 minutes

Problem 39a

Textbook Question

Textbook Question

If a walkway rises 2.5 ft for every 10 ft on the horizontal, which of the following express its slope (or grade)? (There are several correct choices.)

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The Slope of a Line

The Slope of a Line

Slope-Intercept Form

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Graphing Lines in Slope-Intercept Form

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Point-Slope Form

Point-Slope Form

Finding Equations of Lines Given Two Points

Finding Equations of Lines Given Two Points

Standard Form of Line Equations

Standard Form of Line Equations

Parallel & Perpendicular Lines

Parallel & Perpendicular Lines

Find the Slope of a Line Passing Through Two Given Points

Find the Slope of a Line Passing Through Two Given Points

Relationship Between Slopes of Non-Vertical Parallel Lines

Relationship Between Slopes of Non-Vertical Parallel Lines

Relationship Between Slopes of Non-Vertical Perpendicular Lines

Relationship Between Slopes of Non-Vertical Perpendicular Lines

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