Solving One-Variable Inequalities

Question 1

Which interval is the solution set to 0.35x – 4.8 < 5.2 – 0.9x?

Revolt · Accepted Answer

(–∞, 8)

Question 2

✔ x > –1.25x –0.8x < –0.8

Revolt · Accepted Answer

x > –1.25

Question 3

Which number line represents the solution to 2.5 – 1.2x < 6.5 – 3.2x?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3109/3109-04/3109-04-08/3109-04-08-20/3109-04-08-20-03/3109-04-08-20-03-image3.png

Question 4

Which student’s first step was incorrect, and why?

Revolt · Accepted Answer

Luis’s, because he flipped the inequality sign when he subtracted

Question 5

Which of the x values are solutions to the inequality 4(2 – x) > –2x – 3(4x + 1)? Check all that apply.

Revolt · Accepted Answer

x = 0; x = 10

Solving One-Variable Inequalities Answers