Creating and Solving Inequalities

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Presentation transcript:

Creating and Solving Inequalities 2.4 Creating and Solving Inequalities

Solving inequalities is like solving equations… just remember to reverse the inequality sign when multiplying or dividing by a negative number.

Solve and graph. -7x + 2 > -5

Solve and graph. 6x + 21 < 9x + 6

Ready for a challenge? 8x – 4 > 4(2x – 1)

What about…. -2x + 9 < -2(x – 3)

Solve and justify your steps to solve -3(x - 4) < 6. Inequality Explanation Mathematical Reason -3(x – 4) < 6 Write original equation Given

Write an inequality and solve. You can work at most 24 hours per week as a nurse’s aid. So far this week you have worked 7 hours. If the remaining shifts for the week are each 4 hours long, how many possible full shifts can you work?

Write an inequality and solve. A box of cat treats contains at least 50 treats. So far you have fed your cats 18 treats. If you want the box of treats to last 8 days, what are the possible average numbers of treats you can feed the cats per day?

Turn to page 76. Complete Explain 2 with your partner. Turn to page 77. Complete Elaborate with your partner.

It’s Jeopardy Time Click here

Homework Page77 # 1-25