Say what is to be done to the first inequality in order to get the second.
List all the steps.
6x – 3 3, x 1
3 – 4y 31, y –7
Solve –13x + 4 –22. Then plot its graph.
Solve 4z – 9 23. Then plot its graph.
Solve and graph the solutions.
2q + 7 –11
Then plot its graph.
Solve and graph the solution.
4v + 12 – 8v – 3 –22
Solve the given inequality and then check your solution. Sketch the solution on a number line.
+ 3.6 3.9x – 1.2
takes values: –9, –3, 0, 3 and 9, find the values of x that are solutions of:
2x – 9 8.
takes values: –4, –2, 0, 2 and 4, find the values of x that are solutions of:
5x – 4 21.
The sum of two times a number and 3 lies between –11 and 5.
Solve the compound inequality –11 2x + 3 5 to find the solutions.
Two consecutive integers can be represented by n and n + 1. State and solve an inequality to represent the sentence: The sum of two consecutive integers is at least 11.
Three consecutive integers can be represented by n,n + 1 and n + 2. State an inequality that represents the sentence: The sum of 3 consecutive integers is more than 21.
Use the given figure. If the area is at least 45 cm2, describe the value of x.
David wants to go on a school trip to Chicago during holidays. He agrees to pay his parents back at least $13 per month if they lend him $117 for the trip. How long will it take him to pay the money he owes to his parents?