6 less than 2 times a number x
2x - 6
3 + 2 x 4 - 1
10
m = 6
A student must work at least 20 hours this week. let h represent the hours
h≥20
True or False.
This inequality is graphed on a number line with an open circle.
d≤25
False
How many terms are in this expression?
5x + 2y - 3
3 terms
3(5 - 2) + 3 x 4
21
x/2 = 12
x = 24
Students can have no more than a absences this week. Let a represent absences.
a≤5
The minimum temperature for a plant to survive is 50°F. Use t to represent the temperature. Write an inequality that represents the minimum temperature for the plant.
t ≥ 50
Solve the following expression:
5x - 3 when x = 6
27
42 + 18 - 12 + 4
26
15x = 60
x = 4
Which of the following values make the inequality true?
m < 10
a. 0
b. 2
c. 12
d. 6
a, b, and d
2(3.5x + 12y)
7x + 24y
4x2 - 3x + 4 when x = 2
14
4 (23 + 7) - 14
46
m - 8 = 72
m = 80
Solve the inequality
x + 3 > 12
x > 9
Combine the like terms.
2x + 14 - x + 25
x + 39
Solve the following expression:
x3 - 2x + 20 when x = 3
41
(3 + 12) - 6 x 2 + 22
7
2.3x = 18.4
x = 8
Which of the following makes the inequality true?
8c < 64
a. 10
b. 6
c. 12
d. 8
b
Combine the like terms.
x + x + x + y - x + 25
2x + y + 25