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9-12 Extra Support Materials for Algebra 1 Unit 2 Lesson 5

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K-5 Math 6-8 Math •9-12 Math

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Algebra 1 Geometry Algebra 2 •Extra Support Materials for Algebra 1

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Extra Support Materials for Algebra 1

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Lesson 5

5.1 Warm-up 5.2 Activity 5.3 Activity

Unit 2, Lesson 5

Graphs, Tables, and Equations

Extra Support Materials for Algebra 1

5.1

Warm-up

Graph the equation .

Step 1:

Coordinate plane with a point at $(0,2)$.

Step 2:

Coordinate plane with a point at $(0,2)$ and a dashed line from $(0,2)$ to $(0,3)$.

Step 3:

Coordinate plane with a point at $(0,2)$ and dashed lines from $(0,2)$ to $(0,3)$ and $(0,3)$ to $(3,3)$.

Step 4:

Coordinate plane with points at $(0,2)$ and $(3,3)$ and dashed lines from $(0,2)$ to $(0,3)$ and $(0,3)$ to $(3,3)$.

Step 5:

Coordinate plane with points at $(0,2)$ and $(3,3)$ and dashed lines from $(0,2)$ to $(0,3)$ and $(0,3)$ to $(3,3)$. A line crosses the coordinate plane going through the points.

5.2

Activity

Sketch a graph representing each of these equations.
For each point, which graph or graphs is it on? How can you tell by using the equation?

<p>Blank x y coordinate plane with grid and origin labeled O. Both axes labeled from negative 10 to 8 by 2’s.</p>

<p>Blank x y coordinate plane with grid and origin labeled O. Both axes labeled from negative 10 to 8 by 2’s.</p>

<p>Blank x y coordinate plane with grid and origin labeled O. Both axes labeled from negative 10 to 8 by 2’s.</p>

5.3

Activity

Your teacher will give you a set of cards. Take turns with your partner to match a graph with a set of a situation, equation, and table.

For each match that you find, explain to your partner how you know it’s a match.
For each match that your partner finds, listen carefully to the explanation. If you disagree, discuss your thinking and work to reach an agreement.

None