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Unit 3: Linear equations and functions
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About this unit
Linear equations like y = 2x + 7 are called "linear" because they make a straight line when we graph them. These tutorials introduce you to linear relationships, their graphs, and functions.
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- Rates & proportional relationshipsGet 5 of 7 questions to level up!
- Graphing proportional relationshipsGet 3 of 4 questions to level up!
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- 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!
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- Intercepts from a graphGet 3 of 4 questions to level up!
- Intercepts from an equationGet 3 of 4 questions to level up!
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- Slope from graphGet 3 of 4 questions to level up!
- Slope from two pointsGet 3 of 4 questions to level up!
- Slope from equationGet 3 of 4 questions to level up!
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- Slope-intercept equation from graphGet 3 of 4 questions to level up!
- Slope-intercept from two pointsGet 3 of 4 questions to level up!
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- Evaluate functionsGet 3 of 4 questions to level up!
- Evaluate functions from their graphGet 3 of 4 questions to level up!
- Function rules from equationsGet 3 of 4 questions to level up!
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- Linear equations word problems: graphsGet 3 of 4 questions to level up!
- Linear equations word problemsGet 3 of 4 questions to level up!
- Linear models word problemsGet 3 of 4 questions to level up!
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- Compare linear functionsGet 3 of 4 questions to level up!
- Comparing linear functions word problemsGet 3 of 4 questions to level up!
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- Graphing linear relationships word problemsGet 3 of 4 questions to level up!
- Writing linear functions word problemsGet 3 of 4 questions to level up!
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- Recognize functions from tablesGet 3 of 4 questions to level up!
- Recognize functions from graphsGet 3 of 4 questions to level up!
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- Linear & nonlinear functionsGet 5 of 7 questions to level up!
- Interpreting graphs of functionsGet 3 of 4 questions to level up!
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