Algebra Crossword

1. the compression of two quantities
4. a location in space that has no length or width
5. any symbol that could represent a number
7. any of the four regions formed by the axes in a rectangular coordinate system
10. two angles, the sum of which is exactly 90 degrees
13. the score or data point found most often in a set of numbers
14. the line or plane upon which a figure is thought of as a resting
17. an operation on a geometric figure by which another image is created
19. forming a right angle
20. when a line can be drawn through the center of a figure such that the two halves are congruent

2. any mathematical process, such as addition, subtraction, multiplication, division, exponent, or square roots.
3. a line segment extending from the center of a circle or sphere to a point on the circle or sphere
6. a zigzag on the line of the x- or y-axis in a line or a bar graph indicating that the data being displayed does not include all of the values that exist on the number line being used
8. the perimeter of a circle is called its____________
9. the common endpoint from which two rays begin or the point where two lines intersect; the point on a triangle or pyramid opposite and farthest from the base
11. a closed plane figure whose sides are straight lines and do not cross
12. measures that represent the force that attracts an object to the center of Earth
15. the inside region of a two-dimensional figure measured in square units
16. figures that are the same shape are similar; they are not necessarily the same size or in the same position
18. the shape made by two rays extending from a common end point, the vertex