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Elementary Algebra
Chapter 3: Linear Equations and Inequalities in Two Variables
Section: 5 Slope-Intercept Form

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Example 1

Find the slope and $$y$$-intercept of the line $$y=\dfrac{3}{2}x+1$$.

Octabio
(Spanish)

Example 2

Find the slope and $$y$$-intercept for $$-2x+y=-4$$. Then draw the graph.

Cynthia
(Spanish)

Example 3

Find the slope and $$y$$-intercept for $$3x-2y=6$$.

Cynthia
(Spanish)

Example 4

Find the equation, and graph the line with slope $$-\dfrac{4}{3}$$ and $$y$$-intercept $$5$$.

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Cynthia
(Spanish)

Example 5

Find the equation of the line with slope $$-2$$ that contains the point $$(-4,3)$$.

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Cynthia
(Spanish)

Example 6

Find the equation of the line passing through the point $$(2,5)$$ and perpendicular to the line $$3x+4y=12$$. Write the answer in slope-intercept form.

Octabio
(Spanish)

Example 7

Find the equation of the horizontal line passing through the point $$(-3,-1)$$.

Octabio
(Spanish)

Mini Lecture

1. Find the equation of the line with $$m=\displaystyle\frac{3}{2}$$ and $$b=-1$$.

2. Find the slope and $$y$$-intercept of $$4x-5y=20$$.

3. Find the equation of the line through $$(-2,-5)$$ with slope $$m=2$$.

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