One-Step Inequalities Adding & Subtracting
x + 8 ≥ 18
x ≥ 10
8x ≥ 16
x ≥ 2
5x + 2 ≤ 17
x ≤ 3
3x – 11 ≥ -14
x ≥ -1
What is official term for a letter in Algebra? Ex: x or y or t?
Variable
−7 + x ≥ −8
x ≥ −1
x/5 ≥ 1
x ≥ 5
2x – 5 > 1
x > 3
4 – 4r > 36
r < -8
What is the "Golden Rule" of BOTH equations (=) and inequalities?
if you do math to one side of the problem, you must do it to the other side too
n + 4 ≤ 3
n ≤ -1
n / 4 ≤ 3
n ≤ 12
2x – 3 ≤ -5
x ≤ -1
𝑡 / 10 − 2 ≥ −4
t ≥ -20
When solving an inequality, when do you "flip the symbol?"
When you multiply or divide by a negative number.
p + 8 > −4
p > −12
−3n > 15
n < -5
-8x + 18 > -22
x < 5
−12𝑟 + 20 > −16
r < 4
If the temperature in Warminster NEVER goes above 104 degrees, write an inequality that expresses this situation
t ≤ 104
17 + k ≤ 10
k ≤ -7
x / 3 ≥ −6
x ≥ -18
15 – 5k ≥ 0
k ≥ 3
3𝑝 − 12 ≤ −6
p ≤ 2
to find the unknown.