Equations Flashcards
When there is division going on with the variable, you should:
Multiply by the denominator to isolate the variable
When there are two fractions that are in an equation together, you should:
Cross multiply, multiply, then divide.
What are coefficients?
Numbers that are multiplicative factors in front of variables
When do you combine like terms?
When adding or subtracting terms with matching variables, you can combine them by adding/subtracting their coefficients
What do you have to do to multiply one side of a multi-step equation?
Distribute the multiplication
When there is multiplication going on with the variable, you should:
Divide to isolate the variable
What happens when you divide a negative number by a negative number?
You get a positive number
When there are multiple variables in an equation and you are asked to solve for __ in terms of __ you should?
Isolate the “solve for” variable by itself on one side by adding/subtracting and multiplying/dividing
If you’re plotting an inequality with a symbol, do you use an open or a closed dot?
Open.
When you multiply it divide an inequality by a negative:
Flip the inequality sign!