Algebra Crossword

1. an open curve whose points are equidistant from a fixed point called the focus
5. the order of which you solve an equation
7. an invisible straight line that makes the line symmetrical or the same on each side
11. an equation that can be written with one side equal to zero
12. the horizontal axis on a coordinate plane
14. the value of y where a line intersects the y-axis
16. an equation with exponents where the exponent or a part of the exponent is a variable
17. the set of all possible input values
18. the set of all possible output values
20. an ordered pair that gives you a precise location or position on a coordinate graph

2. the distance of a number from zero
3. a number that never changes in an equation
4. the branch of mathematics that substitutes letters for numbers to solve for unknown values
6. a rule that describes the relationship between two or more values
8. a letter that represents an unknown value
9. the vertical axis on a coordinate plane
10. an equation that contains 2 variables and can be plotted on a graph in a straight line
13. the value of x where a line intercepts the x-axis
15. the power of the value
19. shows the steepness of a line and is determined by comparing the positions of 2 points on a line