Numeracy Boost: Background Materials for Adult Learners in Mathematics - Developing Algebraic Thinking

To graph a linear equation:

1. Solve the equation for y.
2. Choose two or more values for x.
3. Find the corresponding values for y.
4. Plot the points.
5. Join them in a straight line.

Use this technique to graph the equation of 2x + y = 7.

REFERENCE

Greenes, Carole; Cavanagh, Mary; Dacey, Linda; Findell, Carol; and Small, Marian.
	Navigating through Algebra in Prekindergarten-Grade 2. Reston, Va: National Council of Teachers of Mathematics, 2001.

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