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Section 6.2 Solving Inequalities Using Multiplication and Division

Section 6.2 Solving Inequalities Using Multiplication and Division. Multiplying each side of an inequality by a ______________ number produces an _________________________. Multiplying each side of an inequality by a ______________ number and ___________________________________. positive.

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Section 6.2 Solving Inequalities Using Multiplication and Division

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  1. Section 6.2Solving Inequalities Using Multiplication and Division

  2. Multiplying each side of an inequality by a ______________ number produces an _________________________. Multiplying each side of an inequality by a ______________ number and ___________________________________. positive Equivalent inequality negative reverses the direction of the inequality Just remember, when you multiply or divide by a negative number, _____________________. flip the inequality

  3. 26 27 28 -5 -4 -3

  4. Reminder: you must flip the inequality reduce 1 2 3 -7 -6 -5

  5. -8 -7 -6 You don’t have to flip the inequality because you are dividing by a positive number -1 0 1

  6. 1 2 3 -1 0 1

  7. Have to flip the inequality because we multiplied by a negative number -9 -7 -8

  8. The quotient of x and 18 is greater than or equal to 3 54 54 55

  9. The product of -8 and c is less than -28 2 3 4

  10. 5 6 7

  11. Pizza Party: You have a budget of $45 to buy pizza for a student council meeting. Pizzas cost $7.50 each. Write and solve an inequality to find the possible numbers of pizzas that you can buy.

  12. Marathon: You ran a mile marathon in hours. Write and solve an inequality to describe the average speeds s of runners who were faster than you. The other runner had to have a speed greater the 8.08miles per hour

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