First Degree & Quadratic Equations & Inequalitites Flashcards
0
Q
______ if there are only two fractions.
A
Cross multiply
1
Q
Multiple by the ______ to get rid of fractions.
A
LCD
2
Q
What is the opposite of a term?
A
The term with its opposite sign
3
Q
If 3x + 4 > 17, what is 3x + 7 > ?
A
17 + 3 = 20
4
Q
What does |x| mean?
A
Maximum value
Cannot be negative
5
Q
How many answers does |x| have?
A
Two unless it equals 0. Then it has only one.
6
Q
x - y | = | y - x | is true only when…
A
…x & y are real numbers
7
Q
If 4|2x + 3| = 11, then what is 8|2x + 3| + 5?
A
2(11) + 5 = 27
8
Q
|u| ≤ x means ?
A
x ≤ |u| ≤ x
X > 0
9
Q
If 5 ≤ x ≤ 5, what is x?
A
-5 and 5
10
Q
If |x - 5| ≥ -5, what is x?
A
All values.
The absolute value has to be equal to or greater than 0
11
Q
If |x + 5| ≤ -5, what is x?
A
No values.
Absolute values cannot be less than 0
