When graphing inequalities, which inequality symbols have a CLOSED circle?
≤ : Less Than or Equal to
≥ : Greater than or Equal to
Solve the Inequality
X + 4 < -88
What is:
X < -92
Solving Inequalities
Solve for x.
2x - 5 > - 11
What is:
x > -3
True or False you need to FLIP the inequality symbol when dividing or multiplying by a negative number?
A. True
B. False
A. True
|x-3|<5
-2<x<8
-3<x+2<5
-5<x<3
Which direction do we shade for -3 > x ?
What is
Left
Solve the Inequality
z/3 > 70
(z divided by 30)
z > 210
Solving Inequalities
Solve for x.
-9x + 1 > -71
What is:
x > -8
True or False
5 is a solution to x≤5
A. True
B. False
|2x+1|<=7
-4<=x<=3
2x-1<=3
Or
x+4>=10
x<=2 or x>=6
Is the following inequality graphed correctly?
x < 6
No, the graph shows x > -6
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
True or False
The first step to solve 2x + 3 < 10 is to add three.
A. True
B. False
B. False
|x+4|>6
x<-10 or x>2
4<=2x+6<10
-1<=x<2
When graphing inequalities, which symbols have an OPEN circle?
< Less Than
> Greater Than
Solving Inequalities
Solve for x.
2x > 8
What is:
x > 4
Solving Inequalities
Solve for x.
4x + 3 < 7
What is:
x < 1
A. True
B. False
B False
|3x-2|<-5
No Solution
x+2<1 and x>5
NO REAL SOLUTIONS
What are these symbols called:
< , ≤ , > , ≥?
Solve the Equation:
f - 9 < -58
What is:
f < -49
Inequalities
11 < 2 - 3x
x < -3
-3 > x
True or False
Ms Flores is the best Algebra 1 teacher!
A. True
B. False
A. True!
|x+1|>=-3
All Real Numbers (Infinitely Many Solutions)
To rent a kayak, a company charges a $10 flat fee and an additional $4 per hour. If a customer can only spend between $26 and $42, for how many whole hours can they rent the kayak?
They can rent in between 4 and 8 hours
4<=x<=8