Graphing and Writing Inequalities
Intervals
Literal Equations
Two-Step Inequalities
Multi-Inequalities
100
When graphing inequalities, which symbols have an OPEN circle?
< Less Than
> Greater Than
100
Write your answer in interval form:
-2x - 3 > 10
What is...
(-inf, -5]
100
Solve for y:
2x - 4y = 8
What is:
y = 1/2x - 2
100
Solving Inequalities
Solve for x.
4x + 3 < 7
What is:
x < 1
100
Solving Inequalities
-4f + 6 < 18
What is:
f > -3
200
When graphing inequalities, which inequality symbols have a CLOSED circle?
≤ : Less Than or Equal to
≥ : Greater than or Equal to
200
Write in interval form:
x > -8
What is...
(-8, inf)
200
Solve for a:
y = ax/2
What is:
a = 2y/x
200
Solving Inequalities
Solve for x.
2x - 5 > - 11
What is:
x > -3
200
Solve the inequality
5(p - 2)< -30
p < -4
300
Which direction do we graph for -3 > x on a number line?
open circle
Left
300
True or false: use parentheses to represent the inequalities < and > ?
True
300
Solve for m:
4m + 3n = 24
What is....
m = -3/4n+6 or m=6-3/4n
300
Solving Inequalities
Solve for x.
-9x + 1 > -71
What is:
x < 8
300
Solve
-3p + 1 < -11
p > 4
400
Is the following inequality graphed correctly?
x < 6
No, the graph shows x > -6
400
True or False: If graphing 5>x, we would put an a bracket next to the 5 and parentheses next to the infinity symbol.
False.
400
Solve for t:
d = t/s
What is:
t=ds
400
Solve for v.
v/3 + 14 < 30
v < 48
400
Solve an Inequality
8 < 4d + 12
d > -1
500
What are these symbols called:
< , ≤ , > , ≥?
What is
less than, less than or equal to, greater than, greater than or equal to
500
Write in interval form:
-27 > 3/4m + 9
What is...
(-inf, -48]
500
Solve for y:
-5x - 6y = -48
What is:
y = -5/6x + 8
500
Inequalities
11 < 2 - 3x
x < -3
-3 > x
500
-12 < -7x + 6 + 4x
x<6