7th Expressions & Equations Flashcards
What is a coefficient?
A coefficient is the number that is with the variable.
How do you know if terms are alike?
They have the same variable
How do you combine like terms?
You combine like terms by adding or subtracting the coefficients
What are the 2 sets of inverse operations?
The inverse operation sets are adding/ subtracting and multiplying/ dividing.
What are the 3 parts to an algebraic expression?
The 3 parts to an algebraic expression are variables, numbers and operations.
When solving equations you do the inverse operation. What does inverse mean?
Inverse operations are opposite operations. +- and X÷
A letter next to a number means what kind of math?
A letter next to a number means multiplication.
When you see parentheses that means to use the distributive property which means what kind of math?
Parentheses and the distributive property mean multiplication.
How is an inequality different than an equation?
An inequality is different from an equation because there is more than one answer.
When solving an equation you always leave the variable for…
When solving an equation you always leave the variable for last.
When solving equations, what you do to one side, you do to…
When solving equations what you do to one side you have to do to the other side of the equals sign.
When solving equations what is always the first step?
The first step to solving an equation is always adding or subtracting. The variable is for last.
The fraction bar means what kind of math?
division