6.5-6.6 Review.

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5.7 Graph Linear Inequalities in Two Variables

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Presentation transcript:

6.5-6.6 Review

Determine whether the ordered pair is a solution to the linear inequality 𝑦≤−2𝑥+1 (2,2)

Graph the linear inequality 𝑦≤𝑥−1

Determine whether the ordered pair is a solution to the linear inequality 3𝑦>5𝑥−12 (−6,1)

Graph the linear inequality 𝑦>2𝑥−6

Graph the linear inequality 𝑦<− 3 2 𝑥−4

Graph the linear inequality 𝑦≥ 1 2 𝑥+3

Write a linear inequality that represents the graph

Graph the linear inequality 𝑥≥3

Graph the linear inequality 𝑦<−6

Write a linear inequality that represents the graph

Graph the linear inequality 𝑥<2

Graph the linear inequality 𝑦≥4

Write a linear inequality that represents the graph

A fish market charges $9 per pound for cod and $12 per pound of flounder. What is the inequality that shows how much of each type of fish the store must sell to reach a daily quota of at least $120. Graph the inequality too!

Determine whether the ordered pair is a solution to the linear inequality 8,2 0.3𝑥+4𝑦>9 3𝑥−2𝑦≤17

Solve the system of linear inequalities by graphing 𝑦>2𝑥−3 𝑦>5

Determine whether the ordered pair is a solution to the linear inequality 2,12 𝑦>2𝑥+4 𝑦<3𝑥+7

Solve the system of linear inequalities by graphing 𝑦> 1 4 𝑥 𝑦≤−𝑥+4

Write a linear inequality that represents the graph

Solve the system of linear inequalities by graphing 𝑦≥− 2 3 𝑥+4 𝑥>6

Write a linear inequality that represents the graph

Mark is a student, and he can work for at most 20 hours a week Mark is a student, and he can work for at most 20 hours a week. He needs to earn at least $75 to cover his weekly expenses. His dog walking job pays $5 per hour and his job as a car wash attendant pays $4 per hour. Write a system of linear inequalities to model the situation, and graph the inequalities.