Writing Inequalities
A number x is greater than 11.
x > 11.
What is the definition of an open circle?
It means "less than (<)" or "greater than (>)".
Convert the measurements.
15 feet = ______ inches
180 inches.
Solve.
(x + 5) / 2 > 20.
x > 35.
Solve.
5x < x + 4.x < 1.
The sum of a number x and 5 is less than 9.
x + 5 < 9
What is the definition of a closed circle?
It means "less than or equal to (≤ )" or "greater than or equal to (≥)".
Convert the measurements.
59 inches = _______ feet
4" 11'.
Solve.
3x - 7 < 11.
x < 6.
Solve.
x/3 > x + 1.
x < -1.5.
x less than 19 is more than 3 times x.
19 - x > 3x
Identify how to graph this inequality.
5x + 7 < 22.
An open circle on 3 to the left.
Convert the measurements.
13 km = ______ mi
1 km = 0.62 mi.
8.06 miles.
Solve.
(10 + x) / 9 ≥ 8
x ≥ 62.
Solve.
x - 20 < 3x.
x > -10.
The quotient of a number x and 5 is at least 15.
x/5 ≥ 15.
Identify how to graph this inequality.
x(3/5) ≤ 20
A closed circle on 12 to the left.
Convert the measurements.
17 mi = _____ m
1 mile = 1.6 km.
27,200 meters.
Solve.
6x - 4 ≤ 20.
x ≤ 4.
Solve.
19 - x ≤ 4x - 1.
x ≥ 4.
The product of a number x and 20 is at most 30.
20x ≤ 30.
Identify how to graph this inequality.
2x - 5 ≥ 25
A closed circle on 15 to the right.
Convert the rates.
9 inches/min = ___ ft/hr
9 inches/min = 45 ft/hr.
Solve.
-7x - 5 ≤ 30.
x ≥ -5.
Solve.
x/3 ≤ 2 + x
x ≥ -3