Vocabulary
The 2x in:
2x+3y=36
Term
Solve:
2x=10
x=5
The 6 in:
6x=30
Coefficient
The inverse to addition
Subtraction
What is the area of a rectangle with a length of 5 cm and a width of 3 cm
15 cm^2
The y in:
5x+2y=40
Variable
Solve
3x+15=30
x=5
The variables in 5a+4b=42
a and b
The inverse to division
Multiplication
If a store is offering 25% off a $20 item, how much will it cost?
$15
The whole math sentence:
4a+2b=12
Equation
Solve:
12x+12=12x+12
x=0
The whole math sentence:
3s>8
Inequality
The inverse to multiplication
Division
The 3r+2s in:
3r+2s=20
Expression
Solve:
8b=72
b=9
The coefficient in 8p-2q=18
8 and 2
The inverse to addition
Subtraction
The 25 in:
5c+25
Constant
Solve:
8k=88+0
k=11
These are operations which undo each other.
What are inverse operations?
The inverse to an exponent
Logarithim