When graphing inequalities, which symbols have an OPEN circle?
< Less Than
> Greater Than
Is the statement true
2x > -6
x = -3
False
Solving Inequalities
Solve for x.
2x > 8
What is:
x > 4
Solving Inequalities
Solve for x.
x + 3 < 7
What is:
x < 4
More than 450 students went on a field trip. Ten buses were filled and 5 more students traveled in a car.
What is 45?
When graphing inequalities, which inequality symbols have a CLOSED circle?
≤ : Less Than or Equal to
≥ : Greater than or Equal to
Is the statement true?
2k + 30 > -10
k > -20
True
Solve the Inequality
x + 4 < -88
What is:
x < -92
Solving Inequalities
Solve for x.
x - 5 > - 11
What is:
x > -6
Amanda rented a bike from Shawna's Bikes. They charged her $2 per hour, plus a $10 fee. Amanda paid
less than $27.
What is 8.5?
Which direction do we shade for x < -3 ?
What is
Left
We use an open circle to represent the inequalities < and > ?
True
Solve the Inequality
z/30>70
z > 2,100
Solving Inequalities
Solve for x.
9x > -72
What is:
x > -8
You need to buy some pencils and an eraser. You can spend no more than $5. The eraser costs $1 and
the pencils cost $0.25 each.
What is 16?
Is the following inequality graphed correctly?
x < 6
No, the graph shows x > -6
If graphing x < 5, we would put an open circle on 5 and shade to the right.
False.
Solve the Inequality
4x < -14
NOTE: The answer is NOT an integer.
x<7/2
or
x<-3.5
Solve for v.
v < 30
5
v < 150
For a field trip 18 students rode in cars and the rest filled five buses. How many students were in each bus if
no more than 250 students went on the trip?
What is 46?
What are these symbols called:
< , ≤ , > , ≥?
(The answers are not less then, greater then, etc.)
What is
Inequalities
-2 is less than -10
False
Solve the Equation:
f - 9 < -58
What is:
f < -49
Inequalities
3x - 2 > 11
NOTE: The answer is NOT an integer.
x>13/3
or
4.hat3
Charles is saving $5 each week. He earns an extra $15 by mowing his neighbor's lawn. How many weeks
will he need to save in order to have at least $75?
What is 12?