The Real Number System
Order of Operations
Absolute Value
Evaluating Expressions
Combining Like Terms
100
Which number is not a whole number?
a. 8 b. -10 c. 0 d. 18/3
B. -10
100
Parenthesis is the first part of the order of operations, we now also use "G" as the first step, which represents what part of a problem?
Grouping Symbols
100
In your own words, what does Absolute Value mean?
The distance away from zero on a numberline
100
2b - c
Show me how you would substitute the values.
If b = 4 and c = 5
2(4) - 5
100
In your own words, explain what a Variable Term is
A term that has a variable or letter such as "x" or "y"
200
Then number 30 is considered a Real Number, Rational Number, an Integer, and one other classification, what is it?
Whole Number
200
24 - 4^2 * 3 + 15
What step would come first in this problem?
4^2
200
Abs5 =
5
200
What does the word evaluate mean:
Solve
200
What letters can be used in variable terms
Any letter of the alphabet
300
The number 3.14159..... is a number that is represented by this symbol
What is the number called?
Pi
300
7 + 54 divide 3(2)
What would you do first in this problem?
54 divided by 3
300
abs(-2) =
2
300
a^2 + b
Evaluate or solve the expression.
If a = -2 and b = 4
(-2)^2 + 4
4 + 4
8
300
What is a coefficient?
It is the number that is in front of the variable
400
Which of the following is true.
a. -9 is a whole number
b. Square Root of 25 is a rational number
c. 0 is a natural number
d. 2/3 is a rational number
D
400
What is the correct order for the order of operations?
P or G
E
M/D
A/S
400
- abs4 =
-4
400
When you substitute a number for a variable, what should always be placed around that value?
parenthesis
400
In your words, explain what constant terms are?
Terms that are just numbers without a variable
500
This symbol represents a number that is Irrational, True or False
True
500
What would you do first in this problem
3^2 + (7^2 + 2)3
7^2
500
abs12 =
12
500
y^2 - 3xy
Evaluate
If y = 2 and x = 6
4 - 3(6)(2)
4 - 18(2)
4 - 36
-32
500
State the variable terms in the expression
7x + 3 - 5x + 5
7x and -5x