Please enable JavaScript.
Coggle requires JavaScript to display documents.
MATH : Chapter 5 : Equation and Inqualities - Coggle Diagram
MATH : Chapter 5 : Equation and Inqualities
Expressions
such as
term
if a number multiply by a variable
coefficient
such as
constant term
solving
Linear Equation
Gives
The Solution
Goal
The values of the variables that make the equation true.
Main Tactics
Replace an expression with an equivalent one
Perform the same mathematical operation on both sides of the equation
Cross-multiplying
What it is
A process to simplify an equation
How it works
eliminate fractions from an equation by multiplying both sides by the denominators of both fractions
Why it's useful
It eliminates fractions from the equation, making it easier to solve
Inequalities
has a
Strict Inequalities
uses
(greater than) or < (less than)
Rule
One side must be larger than the other
Example
x>5
Nonstrict Inequalities
Uses
≥ (greater than or equal to) or ≤ (less than or equal to)
Rule
One side can be equal to the other
Example
y≤3