Graphing and Writing Inequalities
Inequalities
True/false statements
Two-Step Inequalities
???????
100
When graphing inequalities, which symbols have an OPEN circle?
< Less Than
> Greater Than
100
Solving Inequalities
Solve for x.
2x > 8
What is:
x > 4
100
Is the statement true
2x > -6
x < -3
False
100
Solving Inequalities
Solve for x.
4x + 3 < 7
What is:
x < 1
100
what is a variable?
is a lowercase letter that represents an unknown value
200
When graphing inequalities, which inequality symbols have a CLOSED circle?
≤ : Less Than or Equal to
≥ : Greater than or Equal to
200
Solve the Inequality
x + 4 < -88
What is:
x < -92
200
Is the statement true?
2k + 30 > -10
k > -20
True
200
Solving Inequalities
Solve for x.
2x - 5 > - 11
What is:
x > -3
200
What day is your test?
Thursday / Friday
300
Which direction do we shade for x < -3 ?
What is
Left
300
Solve the Inequality
z/30>70
z > 2,100
300
We use an open circle to represent the inequalities < and > ?
True
300
Solving Inequalities
Solve for x.
9x + 1 > -71
What is:
x > -8
300
when do you reverse the direction of an inequality?
when multiply or divide by a negative number
400
Is the following inequality graphed correctly?
x < 6
No, the graph shows x > -6
400
Solve the Inequality
4x < -14
x<7/2
or
x<-3.5
400
If graphing x < 5, we would put an open circle on 5 and shade to the right.
False.
400
Solve for v.
v/3+14<30
v < 48
400
What room number is Mr. Kaye's office?
Room 218
500
When using interval notation, how do we represent an open circle? How do we represent a closed circle?
Open circle: ( )
Closed circle: [ ]
500
Solve the Equation:
f - 9 < -58
What is:
f < -49
500
Interval notation is used to represent a set of numbers.
True.
500
Inequalities
3x - 2 > 11
x>13/3
or
4.hat3
500
What is Mr. Kaye's favorite ice cream flavor?
Neapolitan.