Solving Linear Equations Flashcards
1
Q
What is an equation?
A
A statement with an equals sign stating that two expressions are equal in value.
2
Q
What is an identity?
A
An identity is an equation which is always true, no matter what values are substituted.
3
Q
What is a function machine?
A
A way of writing rules using a flow diagram.
4
Q
What is the balance method?
A
It is where you make changes to the equation on both sides until you get an answer for x.
5
Q
How can you solve a linear equation with brackets?
A
The easiest way to solve an equation like that is to expand the brackets.
6
Q
How do you solve an equation with unknowns on both sides?
A
You rearrange the equation so that the unknown variable is just on one side.
7
Q
In a linear equation of form ax + b = 0, what is x?
A
-b/a
