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Free SAT Linear functions Practice Questions
The SAT tests linear functions by giving you two points, a table, a graph, or a description, and asking for the rate of change or a predicted value. Slope is the whole skill, and the test checks whether you can read it out of any representation.
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How the SAT tests linear functions
You compute or interpret slope, find a line through given points, and move between the table, graph, equation, and word-problem versions of the same line.
Where the points go
Inverting rise over run, and reading the y-intercept as the slope when a question describes a starting fee plus a rate.
Every question you miss here is added to your mistake log with the specific error identified, and brought back after three days and again after fourteen — no screenshots, no error journal to keep.
Other Algebra skills
- Linear equations in one variable
- Linear equations in two variables
- Systems of two linear equations in two variables
- Linear inequalities in one or two variables