What is the symbol for "greater than?"
>
What inequalities use an "open" circle when graphed? Are these numbers solutions or not solutions
< and >
Not solutions!
b - 9 ≥ -20
b ≥ -11
2(x - 1) > 6
x > 4
What are like terms?
they have the same variable and the same exponent
What is the symbol for "less than?"
<
What inequalities use a "closed circle" when you graph? Are these numbers solutions or not solutions?
less than or equal to
greater than or equal to
solutions!
3x > 12
x > 4
4x + 2 - x + 5 < 16
x < 3
What is the difference between an equation and an expression?
equations have equal signs and expressions do not
What is the symbol for "less than or equal to?"
≤
Graph the inequality:
x < 8
Open circle on 8 and shade to the left
1/2x - 4 < 10
x < 28
-3(1 - 4x) > 9
x > 1
To solve equations, you use ______________ operations
Inverse
What is the symbol for "greater than or equal to"?
≥
Graph the inequality:
x greater than or equal to -4
Closed circle on -4. Shade to the right.
-6x-3>-15
What is x<2
4(-3x + 5) - 6 < 2
x > 1
2/3 and 3/2 are known as ________________
Reciprocals
How do you write the inequality in words: x > -6
x is greater than -6
Graph the inequality:
8 < x
Open circle on 8. Shade to right.
-6x - 3 > -15
What is x<2
83 > -5 - 2(7x - 2)
-6 < x or x > -6
When do you flip the inequality sign when solving?
When you multiply or divide by a negative number