Graphing and Writing Inequalities
Write an inequality
One-Step Inequalities
Two-Step Inequalities
Two-Step Inequalities
100
When graphing inequalities, which symbols have an OPEN circle?
< Less Than
> Greater Than
100
Do we change the sign when we multiply or divide by a POSITIVE number?
No!
100
Solving Inequalities
Solve for x.
2x > 8
What is:
x > 4
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 an inequality to represent the following:
The amount of money I have in my bank account is less than $98, and I just spent $23!
x + 23 < 98
OR
x < 98 - 23
200
Solve the Inequality
X + 4 < -88
What is:
X < -92
200
Solving Inequalities
Solve for x.
2x - 5 > - 11
What is:
x > -3
200
Solve the inequality
5p + 10< -30
p < -8
300
Which direction do we graph for -3 > x on a number line?
open circle
Left
300
True or false: use an open circle to represent the inequalities < and > ?
True
300
Solve the Inequality
z/3>7
z > 21
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 open circle on 5 and shade to the right.
False.
400
Solve the Inequality
-4x < 14
What is:
x > -7/2 OR x > -3.5
(Negative 7 over 2)
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
Inequalities
500
What happens when you multiply or divide by a negative number when solving an inequality?
You must FLIP THE SIGN!
500
Solve the Equation:
f - 9 < -58
What is:
f < -49
500
Inequalities
11 < 2 - 3x
x < -3
-3 > x
500
-2>= 8+m/-5
x<=10