Inequalities
Write an inequality for the situation below:
Chad scored at most a 89 on his math quiz. Use the variable s to represent Chad's score.
s ≤ 89
Solve for k:
2k + 5 = 17
What is 6?
Solve for a:
3a - 5 = 4
What is 3?
Solve for m:
m/5 + 4 = 12
What is 40?
Solve for z:
z/6 - 8 = 2
What is 60?
Write an inequality for the situation below and solve it:
The product of 3 and a number is at most 21.
3x ≤ 21
x ≤ 7
Solve for a:
2a + 11 = 35
What is 12?
Solve for m:
5m - 7 = 23
What is 6?
Solve for y:
y/8 + 11 = 13
What is 16?
Solve for y:
y/9 - 15 = 5
What is 180?
Write an inequality for the phrase below and solve it.
The sum of 7 and 3 times a number is at least 13.
7 + 3x ≥ 13
3x ≥ 6
x ≥ 2
Solve for r:
39 + 2r = 65
What is 13?
-5 + 6k = 43
What is 8?
Solve for k:
k/8 + 21 = 97
What is 608?
Solve for z:
-14 + z/6 = 3
What is 102?
Write and solve an inequality for the phrase below:
The difference of a number and 7 is more than 33.
x - 7 > 33
x > 40
Solve for s:
12s + 27 = 171
What is 12 ?
Solve for j:
4j - 71 = 29
What is 25?
Solve for g:
37 + g/11= 128
What is 1,001?
Solve for y:
y/9 - 18 = 52
What is 630?
Write and solve an inequality for the phrase below. Then graph your solution on the graph on the board:
25 is more than twice a number plus 3.
25 > 2x + 3
22 > 2x
11 > x
Graph on board
Solve for b:
12b + 314 = -1,663
What is -164.75?
Solve for q:
21q - 39 = 234
What is 13?
Solve for w:
w/317 + 596 = 1,639
What is 330,631?
Solve for d:
d/10 - 83 = 64
What is 1,470?