When graphing inequalities, which symbols have an OPEN circle?
< Less Than
> Greater Than
Where was Mrs. Anders born and raised?
Michigan
Solving Inequalities
Solve for x.
2x > 8
What is:
x > 4
Solving Inequalities
Solve for x.
4x + 3 < 7
What is:
x < 1
Solving Inequalities
-4f + 6 < 18
What is:
f > -3
When graphing inequalities, which inequality symbols have a CLOSED circle?
≤ : Less Than or Equal to
≥ : Greater than or Equal to
How do you know which direction the arrow goes for graphing inequalities?
1. solve it
2. say it out loud
3. did you say less than or greater than?
Solve the Inequality
X + 4 < -88
What is:
X < -92
Solving Inequalities
Solve for x.
2x - 5 > - 11
What is:
x > -3
Solve the inequality
5(p - 2)< -30
p < -4
Which direction do we graph for -3 > x on a number line?
open circle
Left
True or false: use an open circle to represent the inequalities < and > ?
True
Solve the Inequality
z/3 > 7
(z divided by 3)
z > 21
Solving Inequalities
Solve for x.
-9x + 1 > -71
What is:
x > -8
Solve
-3p + 1 < -11
p > 4
Is the following inequality graphed correctly?
x < 6
No, the graph shows x > -6
True or False: If graphing 5>x, we would put an open circle on 5 and shade to the right.
False.
Solve the Inequality
-4x < 14
What is:
x > -7/2 OR x > -3.5
(Negative 7 over 2)
Solve for v.
v/3 + 14 < 30
v < 48
Solve an Inequality
8 < 4d + 12
d > -1
What are these symbols called:
< , ≤ , > , ≥?
When you multiply/divide a negative on both sides of the equation, the inequality flips?
True or False
(Ex): -4x < 8
x>-2 ?
True
Solve the Equation:
f - 9 < -58
What is:
f < -49
Inequalities
11 < 2 - 3x
x < -3
-3 > x
-12 < -7x + 6 + 4x
x<6