Exercises: Understand Graphs of Equations

Show all substitution work when verifying points. For graphing problems, generate a table of values before plotting.

Grade 9·23 problems·~30 min·Common Core Math - HS Algebra·standard·hsa-rei-d-10

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Warm-Up: Review What You Know

These problems review skills you already have.

Which statement correctly describes the solution to the one-variable equation $x = 5$ ?

The solution is the single point $x = 5$ on a number line.

The solution is the line $y = 5$ in the coordinate plane.

The solution is every ordered pair $(5, y)$ for any value of $y$ .

The solution is every ordered pair $(x, 5)$ for any value of $x$ .