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Aim # 17: How Do We Solve and graph basic Inequalities ?

Do Now. Aim # 17: How Do We Solve and graph basic Inequalities ?. When x = ―3, is the following statement true?. No!. Check:. X. Minilesson :. What is an “Inequality?”. Any mathematical statement other than “is equal to.”. Minilesson :. ≠. “is not equal to” “is never equal to”

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Aim # 17: How Do We Solve and graph basic Inequalities ?

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  1. Do Now Aim # 17: How Do We Solve and graph basic Inequalities? When x = ―3, is the following statement true? No! Check: X

  2. Minilesson: What is an “Inequality?” Any mathematical statement other than “is equal to.”

  3. Minilesson: ≠ “is not equal to” “is never equal to” “cannot be equal to”

  4. Minilesson: > “is greater than” “is more than” “must be greater than”

  5. Minilesson: < “is less than” “must be less than”

  6. Minilesson: ≤ “is less than or equal to” “is at most” “is no more than”

  7. Minilesson: ≥ “is greater than or equal to” “is at least” “is no less than”

  8. Minilesson: notice something important: is less than

  9. Minilesson: notice something important: The means it is NOT subtraction! is

  10. Minilesson: Ex: “Ten less than a number is less than 45.” TRANSLATES TO . . .

  11. Minilesson: Solving an inequality is just like solving an equation.

  12. Minilesson: Graphing the solution to an inequality represents all the real numbers that make the inequality true.

  13. Minilesson:

  14. Minilesson:

  15. Minilesson:

  16. Minilesson:

  17. Minilesson:

  18. Minilesson:

  19. Guided Practice Handout, Side 1, qq. 1, 5 Handout, Side 2, qq. 19, 23

  20. Independent Practice Handout, Side 1, qq. 2, 9 Handout, Side 2, qq. 20, 24

  21. HW # 15 Due WEDNEsday Our Textbook, p. 324, qq. 9--14 Answers on next page

  22. HW # 15 Due WEDNEsday Our Textbook, p. 324, ANSWERS 9) 25 L 10) 30 mL 11) 3 g 12) 15 kg of the $5; 25 kg of the $5.80 13) 8 kg dried apples; 12 kg dried apricots 14) 80 ₵ per Liter

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