Solving/Interpreting Linear Inequalities in Two Variables

Which of the following is not a linear inequality?

• >

• <

• =

• ≥

The following are the linear inequalities EXCEPT?

• 3𝑥−12>12

• 19=𝑦

• 13𝑥+6<10−7𝑦

• 𝑥+3𝑦<7

Translate "The sum of 20-peso bills (t) and fifty-peso bills (f) is greater than Php 420."

• 20t + 50f > 420

• 20t + 50f < 420

Is (0,2) the coordinate points of 𝒚<𝟐𝒙+𝟐?

• Yes

• No

Is (7,2) the solution of the 2𝑥−𝑦>10?

• Yes

• No

Check the solutions of the inequality of 𝒚<𝟐𝒙+𝟐 as many as you can?

• (0,2)

• (5,1)

• (−3,−12)

Which of the following is a linear inequality in two variables? Check all the possible answers.

• 3𝑥−12>12

• 13𝑥+6<10−7𝑦

• 9(𝑥−2)<15