Algebra Crossword

2. The point at which the graph of a line crosses the x-axis.The point at which y=0.
4. A curve where any point is at an equal distance from:a fixed point (the focus), and a fixed straight line (the directrix).
5. Set of two or more equations that have at least one solution.
9. A line through a shape so that each side is a mirror image. When the shape is folded in half along the axis of symmetry, then the two halves match up.
13. Two lines are perpendicular if their slopes are opposite reciprocals of each other. Perpendicular lines intersect each other at right angles.
16. Set of two or more equations that have exactly one solution.
17. One quarter (qua) of the plane one the Cartesian coordinate system.The plane is divided into 4 sections, each section is called a quadrant.
18. Is a set of two or more inequalities in one or more variables.
19. A point at which a function's value is greatest.

1. The point of intersection for a system of equations
3. Set of two or more equations that have no solution
6. A function that contains an algebraic expression within absolute value symbols. Recall that the absolute value of a number is its distance from 0 on the number line.
7. The point (0,0).
8. Means the graph is not a straight line.The graph of a non-linear function is a curved line.
10. Is the place where the graph has a vertex at its lowest point.
11. The point at which the graph of a line crosses the y-axis.The point at which x=0.
12. Set of two or more equations that have an infinite number of solutions.
14. An Equation whereby letters represent real numbers and whose graph is a line.
15. Two lines cross at a point called an intersection