=,+,-, (), /
Notation
What is the Order of Operations?
(), Exponents, *, /, +,-
9 - 3 x 2=12
Give correct answer and what was wrong.
The correct answer is 3.
multiplication first then addition
3 + 4 x 5
23
x + 8 = -2
x = -10
variable
a symbol or letter, such as "x" or "y," that represents an unknown value
Simplify
3x - 2 = 6
You can't!! It's an equation.
52 + 1=11
Give correct answer and what was wrong.
52 = 25, not 10.
The correct Answer is 26.
7 + (2 x 4) - 1
14
2x + 5 = 23
x = 9
constant
A number that is not attached to a variable.
Name the 2 golden rules when solving equations.
Use inverse operations.
What you do to one side you do to the other.
32 - 6 = 0
Give correct answer and what was wrong.
32 = 9, not 6.
The correct answer is 3
56 ÷ (4+4) + 32
16
5y - 26 = 49
y = 15
Give an example of a linear equation.
Dr. Favors will determine if your answers are correct.
How Many Terms?
3x+5x2 * 3y - 2x
2
x - 15x2y
8 - 3 x 5 = 7
the correct answer is -7. the error was made in subtracting 8-15.
17+(24÷8)∙4-52
4
-2w + 1 = -9
w = 55
coefficient
A number in front of a variable
Give an example of an equation that has 9 solutions.
Dr. Favors will determine if your answers are correct.
4 + 5 + 7 - 3 x 2 = 26
You need to follow PEMDAS and do multiplication first. The correct answer is 10.
60-[(16÷2)∙6]+(82÷32)
14
5n + 4 - 8n = -5
n = 3