M6 project Linear inequalities

Solve the inequality :
a - 6 ≥ 3

• a < 9

• a ≥ -9

• a ≥ 9

• a > 9

Solve the inequality :
2a + 4 < 12

• a > 4

• a < 4

• a > 8

• a < 8

Which inequality represents the following graph:

• x<-2

• x>−2

• x<10

• x<2

Select 2 choices:
Write the inequality then solve it:
seven more than a number is less than or equal to -18.

• n + 7 ≤ -18

• n < 25

• n ≤ -25

• n7 ≤ -18

Select 2 choices:
Write the inequality then solve it:
four less than a number is greater than 10.

• n - 4 > 10

• n > 14

• n > 6

• n4 > 10

Which inequality corresponds to the following number line:

• x>3

• x<3

• x>=3

• x<=3

Solve the inequality :
3b - 5 < 10

• b > 5

• b < 5

• b > 3

• b < 3

Solve the inequality :
4c + 2 ≤ 18

• c > 4

• c ≤ 4

• c > 3

• c < 3

A shopping mall in Dubai has a special promotion where you receive a discount if you spend more than AED 200. Let the amount spent be represented by x. The inequality for the discount is:

• x = 200
• x > 200
• x < 200
• x >= 200

A desert safari in Dubai costs AED 200 per person. If you want to book a group of

x people, the total cost must not exceed AED 1,000. Write the inequality for the number of people in the group.

• x = 10
• x ≥ 200

• 1000 x < 200

• • 200 x ≤ 1000