January 26 - 28, 2010 Math 102 OBJECTIVE: Students will be able to solve one step inequalities and graph the solution on a number line AIM: How is.

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January 26 - 28, 2010 Math 102 OBJECTIVE: Students will be able to solve one step inequalities and graph the solution on a number line AIM: How is solving an inequality different than solving an equation? STANDARDS: 7.A.5, 7.G.10 PRIOR KNOWLEDGE: Solve: n + 2n + 7 = 22

MINI LESSON: An inequality is a sentence using either <, >, <, or > Example 3 + y > 7 Use open circles to graph inequalities that use the signs < or > Use closed circles that use the signs < or >

Example: Solve and graph the inequality y + 2 > 8 Combine like terms Solve as you would an equation Graph the solution on a number line (We use an OPEN CIRCLE…why?)

Solve and graph 3n > -9

How do you solve and graph the inequality

Which inequalities are graphed below? X < 5 x < 5 x > 5 x > 5 X > 6 x > 6 x < 6 x < 6

HOMEWORK: On the number line handout, solve and graph these inequalities: v + 9 > 12 3b < 27 w + 4 > -3 4y < 32 n/6 < 4 b – 4 > 2