Ch. 1-2 Vocabulary

5. / Vertical number line.
6. / A number, variable, or the product of a number and one or more variables. Ex.: 6 or 3x or 4y
7. / Tells the number of vertical units a point is from the origin.
8. decimal / A decimal that stops.
9. terms / Terms that have exactly the same variable factors.
11. / In a right triangle, the two shortest sides.
14. Theorem / An equation that shows the relationship between the legs and the hypotenuse.
16. pair / Gives the location of a point. Written in coordinates.
17. decimal / The decimal expansion repeats the same digit or group of digits forever.
18. root / A number that, when used as a factor three times, is equal to the given number.
20. / Horizontal number line.
21. root / A number that when multiplied by itself is equal to the given number.

1. / Where the axes intersect.
2. plane / A grid formed by the intersection of two number lines.
3. / In a right triangle, the longest side; opposite the right angle.
4. / Tells the number of horizontal units a point is from the origin.
10. number / A number that includes square roots that are not perfect squares and decimals that do not terminate or repeat.
12. of the Pythagorean theorem / Used to prove is triangles are right triangle or not.
13. / The axes divided the plane into these. There are four.
14. cube / A number that is the cube of a whole number.
15. number / A number that can be written as a fraction, integer, or terminating or repeating decimal.
19. numbers / Formed from the set of all rational and irrational numbers.