Linear equations & graphs

Two-variable linear equations intro

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Two-variable linear equations intro
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Solutions to 2-variable equations
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Worked example: solutions to 2-variable equations
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Completing solutions to 2-variable equations
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Practice

Solutions to 2-variable equationsGet 3 of 4 questions to level up!
Complete solutions to 2-variable equationsGet 3 of 4 questions to level up!

x-intercepts and y-intercepts

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Intro to intercepts
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x-intercept of a line
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Intercepts from an equation
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Intercepts from a table
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Intercepts of lines review (x-intercepts and y-intercepts)
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Practice

Intercepts from a graphGet 3 of 4 questions to level up!
Intercepts from an equationGet 3 of 4 questions to level up!
Intercepts from a tableGet 3 of 4 questions to level up!

Slope

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Intro to slope
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Positive & negative slope
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Worked example: slope from graph
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Worked example: slope from two points
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Slope (more examples)
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Slope review
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Practice

Slope from graphGet 3 of 4 questions to level up!
Slope from two pointsGet 3 of 4 questions to level up!

Horizontal & vertical lines

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Slope of a horizontal line
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Horizontal & vertical lines
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Horizontal & vertical linesGet 5 of 7 questions to level up!

Intro to slope-intercept form

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Intro to slope-intercept form
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Intro to slope-intercept form
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Worked examples: slope-intercept intro
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Slope-intercept introGet 3 of 4 questions to level up!

Graphing slope-intercept equations

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Graph from slope-intercept equation
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Graphing slope-intercept form
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Graphing lines from slope-intercept form review
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Practice

Graph from slope-intercept formGet 3 of 4 questions to level up!

Writing slope-intercept equations

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Slope-intercept equation from graph
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Writing slope-intercept equations
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Slope-intercept equation from slope & point
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Slope-intercept equation from two points
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Slope-intercept form problems
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Slope-intercept form review
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Practice

Slope-intercept equation from graphGet 3 of 4 questions to level up!
Slope-intercept from two pointsGet 3 of 4 questions to level up!

Point-slope form

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Intro to point-slope form
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Point-slope & slope-intercept equations
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Point-slope form review
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Practice

Point-slope formGet 3 of 4 questions to level up!

Standard form

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Intro to linear equation standard form
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Graphing a linear equation: 5x+2y=20
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Converting from slope-intercept to standard form
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Standard form review
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Practice

Graph from linear standard formGet 3 of 4 questions to level up!
Convert linear equations to standard formGet 3 of 4 questions to level up!

Summary: Forms of two-variable linear equations

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Slope from equation
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Writing linear equations in all forms
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Forms of linear equations review
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Practice

Slope from equationGet 3 of 4 questions to level up!
Linear equations in any formGet 3 of 4 questions to level up!

About this unit

Learn about linear equations that contain two variables, and how these can be represented by graphical lines and tables of values.