Forms of linear equations
8 videos
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Algebra 1 - Forms of Linear Equations: The Big Picture
Learn the three main forms of linear equations: slope-intercept, point-slope, and standard form. Each describes the same line but highlights different information.
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Algebra 1 - Slope-Intercept Form Explained
Learn slope-intercept form (y=mx+b) with a real-world example. Understand how m (slope) and b (y-intercept) define linear equations and graph lines.
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Algebra 1 - Graphing a Line from Slope-Intercept Form
Learn to graph linear equations in slope-intercept form using two simple steps: plot the y-intercept and apply rise over run to find a second point.
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Algebra 1 - Writing an Equation from Two Points
Learn how to find the equation of a line from two points using the slope formula and solving for the y-intercept. Step-by-step example included.
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Algebra 1 - Linear Equation Word Problems
Learn how linear equations work using a real-world coffee shop job example. Understand slope as rate of change and y-intercept as starting value.
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Algebra 1 - Point-Slope Form: What It Is and When to Use It
Learn point-slope form: y - y₁ = m(x - x₁). Use it when you know a line's slope and any point on it, without needing the y-intercept.
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Algebra 1 - Standard Form and Finding Intercepts
Learn how to quickly find x and y intercepts using standard form of linear equations by plugging in zero for each variable and solving.
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Algebra 1 - Converting Between Forms of Linear Equations
Learn how to convert linear equations between slope-intercept form (y=mx+b) and standard form (Ax+By=C) with step-by-step examples and tips for finding slope.