Algebra I Crossword Puzzle (there are no hyphens in the puzzle)

Solving a system of equations by substituting an expression into another equation?
Solving a system of equations by cancelling one of the variables?
Solving a system of equations by drawing the two lines on a ______________?
There are three types of answers you can receive when solving a system of equation: one solution, no solution, or _______________.
If there are no common coefficients when trying to eliminate, _________________ one or both equations by some number to cancel out a variable.
The answer to a set of parallel lines would be __ _______________
What has an equal sign?
What an a symbol such as <, >?
What does > mean?
What does < mean?
y = mx + b --> what is this called?
A vertical line on a graph has a slope of?
A horizontal line on a graph has a slope of?
Two lines that meet at a 90* angle are?
Where the line crosses the y-axis?
Rise over run
What is the order of operations?
When multiplying two numbers with the same base, __________ the exponents
When combining like terms do you change the variables or exponents?
To combine like terms, only combine the _____________________.
Coefficient is the number in _________ of the monomial.
One single term