Two-Step Inequalities

Two step inequalities

Objective: solve inequalities using two inverse operations

kahoot

solution or not?

x > -15

-15

x=-23 x = 0 x=-15

solving an equation is the same as solving an inequality.except...

Remember to flip that sign when you multiply or divide by a negative! .

solve and graph the solution set.

16 < -5n+1

solve and graph the solution set.

Zoom Poll

-5x + 9 > 9

a. x > 0 b. x < 0 c. no solution

Zoom Poll

0.5x - 9 > 1

a. x > 20 b. x < 20 c. x > 50

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Zoom Poll

Sammy has $450 in a checking account. Each month Netflix withdraws $15 from the account.Sammy must keep more than $50 in the account in order to keep it open.

Write an inequality:

a. 450 < 15w + 50b. 450 + 15w > 50 c. 450 - 15w > 50

The perimeter of a rectangular-shaped backyard is at least 450 feet. Two sides of the lawn each measure 65 feet. Which statement below best describes the measures of the two remaining sides?

tomorrow we review! Friday we quiz!

You should be able to solve inequalities using two inverse operations