Back to Create equations in two or more variables — Problem 1 · Task Set 26
Exercises: Creating and Graphing Two-Variable Equations
Show your work for each problem. When writing equations, define your variables. When graphing, label both axes with variable names and units.
Grade 9·22 problems·~35 min·Common Core Math - HS Algebra·standard·hsa-ced-a-2
Work through problems with immediate feedback
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Fluency Practice
1.
A phone plan charges a flat fee of $25 per month plus $0.10 per text message. Write the equation for monthly cost (in dollars) in terms of the number of texts , then find the monthly cost when . Enter the cost in dollars.