Absolute Values
What is an absolute value?
The distance from zero on the number line
What is an expression?
Expression: contains #'s & variables, but NOT an =
What does an equation have that an expression does not?
Equation has an =
What is an inequality?
<, >, less than or equal to, greater than or equal to, not equal to
What is CSUF's mascot
Tuffy the Titan
Can absolute values be negative?
No, absolute values are always positive.
What is the first step when simplifying an expression?
Combing like terms
What is the goal to solving equations?
To get any variable (x) by itself
Write: x is less than 10
x < 10
How many students are enrolled as of fall '25?
Nearly 43,000
Solve:
|-7|
Simplify:
x2 + 10x - 6 - 5x + 4
= x2 + 5x - 2
What is the important rule when solving an equation?
Whatever you do to one side of the equal sign must also be done to the other side
Solve:
x + 7 > 13
x > 6
What is the statue that brings students good luck when rubbed by its big toe?
The Statue of David
Solve:
|-8 + 2|
6
Simplify:
-2(3x + 4) + 2(x-6)
-4x - 20
Solve:
5x - 7 = 2
x = 9/5
Solve:
1/4x < 2
x < 8
What is the oldest (permanent) building at CSUF?
McCarthy Hall; was completed in 1963
Solve:
|x + 2| = 3
x = 1 AND x = -5
Simplify:
2x + 4[2 - (5x - 3)]
-18x + 20
Solve:
7(x+4) = 6x + 24
x = -4
Solve:
3 - 5x > 18
x < -3
When was CSUF founded?
1957 by act of the California Legislature