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Level 379

Graphing Inequalities


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inequality
A mathematical sentence that shows the relationship between quantities that are not equivalent
solution set
The set of values that make a statement true.
7.15 Inverse Operations
Pairs of operations that "undo" each other. Addition and subtraction are inverse operations. Multiplication and division are inverse operations.
a < 5
Applicants with less than 5 years of experience must take a test.
h > 6
The home team needs more than 6 points to win.
a ≥ 18
The minimum voting age is 18.
a ≥ 10
You must answer at least 10 questions correctly to stay in the game.
t ≥ 10
A tip of no less than 10 % is considered acceptable.
c ≤ 75
The cost including tax is no more than $75.
p < 512
The maximum occupancy must be less than 512 people.
c ≤ 25
The phone costs no more than $25.
s >50
You must spend more than $50 to receive a discount.
w > 200
The heavyweight division is greater than 200 pounds.
False
12 + a < 20, a = 9
True
32 ≤ 2x, x = 16
True
15 - k > 6, k = 8
Open, Left
h < 2
Open, Right
y > 8
Closed, Right
p ≥ -7
Closed, Left
r ≤ 9