ALGEBRA I and GEOMETRY VOCABULARY

# ALGEBRA I and GEOMETRY VOCABULARY

## ALGEBRA I and GEOMETRY VOCABULARY

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1. ALGEBRA I andGEOMETRY VOCABULARY

2. KEY

3. CONVERSIONS 1 FOOT = 12 INCHES • YARD = 3 FEET 1 MILE = 1,760 YARDS 1 MILE = 5,280 FEET 1 ACRE = 43,560 SQUARE FEET

4. CONVERSIONS 1 METER = 100 CENTIMETERS 1 METER = 1000 MILLIMETERS 1 KILOMETER = 1000 METERS 1 LITER = 1000 MILLILITERS 1 LITER = 1000 CUBIC CENTIMETERS 1 GRAM = 1000 MILLIGRAMS 1 KILOGRAM = 1000 GRAMS

5. CONVERSIONS • CUP = 8 FLUID OUNCES 1 PINT = 2 CUPS • QUART = 2 PINTS 1 GALLON = 4 QUARTS 1 POUND = 16 OUNCES 1 TON = 2,000 POUNDS

6. A

7. ACUTE ANGLE AN ANGLE THAT HAS A MEASURE BETWEEN 0 DEGREES and 90 DEGREES.

8. ADDITIVE IDENTITY THE NUMBER ZERO ( 0 ). WHEN ZERO ( 0 ) IS ADDED TO ANOTHER NUMBER, THE SUM IS THE NUMBER ITSELF. 0 + 3 = 3

9. ADDITIVE INVERSE PROPERTY A NUMBER AND ITS ADDITIVE INVERSE HAVE A SUM OF ZERO ( 0 ) • + -3 = 0 3 and - 3 ARE INVERSES OF EACH OTHER

10. ALTITUDE THE PERPENDICULAR DISTANCE FROM A VERTEX IN A POLYGON TO ITS OPPOSITE SIDE.

11. ANGLE TWO RAYS EXTENDING FROM A COMMON ENDPOINT CALED THE VERTEX In this illustration the vertex is B

12. ANGLE of DEPRESSION AN ANGLE DEFINED BY A HORIZONTAL RAY AND A RAY EXTENDING FROM THE COMMON ENDPOINT TO A POINT BELOW THE HORIZONTAL RAY

13. ANGLE OF ELEVATION AN ANGLE DEFINED BY A HORIZONTAL RAY AND A RAY EXTENDING FROM THE COMMON ENDPOINT TO A POINT ABOVE THE HORIZONTAL RAY

14. APOTHEM THE PERPENDICULAR DISTANCE FROM THE CENTER OF A REGULAR POLYGON TO THE MIDPOINT OF ANY OF ITS SIDES

15. ARC A CONTINUOUS PART OF A CIRCLE. THE MEASURE OF AN ARC IS THE MEASURE OF THE ANGLE FORMED BY TWO RADII WITH ENDPOINTS AT THE ENDPOINTS OF THE ARC

16. AREA THE MEASURE, IN SQUARE UNITS, OF THE INTERIOR REGION OF A CLOSED TWO-DIMENTIONAL FIGURE

17. ASSOCIATIVE PROPERTY THE WAY IN WHICH THREE OR MORE NUMBERS ARE GROUPED FOR ADDITION OR MULTIPLICATION DOES NOT CHANGE THEIR SUM OR PRODUCT

18. AXIOM POSTULATE A MATHEMATICAL STATEMENT ACCEPTED AS TRUE WITHOUT PROOF IS CALLED AN AXIOM

19. B

20. BASE THE SEGMENT OR FACE OF A GEOMETRIC FIGURE THAT IS PERPENDICULAR TO THE HEIGHT

21. BASE OF A POWER THE NUMBER OR VARIABLE THAT UNDERGOES REPEATED MULTIPLICATION.

22. BINOMIAL A POLYNOMIAL WITH TWO TERMS IN 2X + 5 THE TERMS ARE 2X AND 5 BI = TWO

23. BISECT TO DIVIDE INTO TWO CONGRUENT PARTS

24. BREAK A ZIGZAG ON THE X- OR Y- AXIS IN A LINE OR BAR GRAPH INDICATING THAT THE DATA BEING DISPLAYED DO NOT INCLUDE ALL OF THE VALUES THAT EXIST ON THE NUMBER LINE USED. ALSO CALLED A SQUIGGLE

25. C

26. CENTER OF DILATION THE INTERSECTION OF THE LINES THAT CONNECT EACH POINT OF A FIGURE WITH THE CORRESPONDING POINT OF THE SIMILAR FIGURE

27. CENTRAL ANGLE AN ANGLE THAT HAS ITS VERTEX AT THE CENTER OF A CIRCLE AND WITH RADII AS ITS SIDES X X

28. CENTROID THE POINT OF CONCURRENCY OF THE THREE MEDIANS OF A TRIANGLE

29. CHORD A LINE SEGMENT WITH ENDPOINTS ON THE CIRCLE

30. CIRCLE AREA

31. CIRCUMCENTER OF A TRIANGLE THE POINT OF CONCURRENCY OF THREE PERPENDICULAR BISECTORS OF A TRIANGLE

32. CIRCUMFERENCE THE DISTANCE AROUND A CIRCLE

33. CIRCUMSCRIBED A DESCRIPTOR FOR A GEOMETRIC FIGURE THAT IS DRAWN AROUND AND ENCLOSES ANOTHER GEOMETRIC FIGURE ( POINTS ARE TOUCHING )

34. CLOSED FIGURE A TWO DIMENTIONAL FIGURE THAT DIVIDES THE PLANE INTO TWO PARTS THE PART INSIDE AND THE PART OUTSIDE

35. COEFFICIENT THE NUMBER THAT MULTIPLIES THE VARIABLE IN AN ALGEBRAIC EXPRESSION IF NO NUMBER IS SPECIFIED THEN THE COEFFICIENT IS 1

36. COMMUTATIVE PROPERTY THE ORDER IN WHICH TWO NUMBERS ARE ADDED OR MULTIPLIED DOES NOT CHANGE THEIR SUM OR PRODUCT

37. COMPLEMENT OF SET A DENOTED BY A’ OR A THE SET OF ALL ELEMENTS IN THE UNIVERSAL SET THAT ARE NOT IN A

38. COMPLEMENTARY ANGLES TWO ANGLES IN WHICH THE MEASURES HAVE THE SUM OF EXACTLY 90 DEGREES

39. COMPOUND INEQUALITY TWO INEQUALITIES THAT ARE COMBINED INTO ONE STATEMENT BY THE WORDS AND OR OR

40. CONCAVE POLYGON A POLYGON WITH ONE OR MORE DIAGONALS THAT HAVE POINTS OUTSIDE THE POLYGON

41. CONCENTRIC CIRCLES TWO OR MORE COPLANAR CIRCLES THAT SHARE THE SAME CENTER

42. CONCLUSION THE “THEN” PART OF A CONDITIONAL STATEMENT “IF” … “THEN”

43. CONDITIONAL STATEMENT A LOGICAL STATEMENT CONSISTING OF TWO PARTS, A HYPOTHESIS AND A CONCLUSION

44. CONGRUENT HAVING THE EXACT SIZE AND SHAPE

45. CONJECTURE AN UNPROVEN STATEMENT BASED ON OBSERVATION

46. CONTRAPOSITIVE THE STATEMENT FORMED BY NEGATING AND REVERSING THE HYPOTHESIS AND CONCLUSION OF A CONDITIONAL STATEMENT

47. CONVERSE THE STATEMENT FORMED BY REVERSING THE HYPOTHESIS AND CONCLUSION OF A CONDITIONAL STATEMENT

48. CONVEX POLYGON A POLYGON WITH EACH INTERIOR ANGLE MEASURING LESS THAN 180 DEGREES ALL DIAGONALS OF A CONVEX POLYGON LIE INSIDE THE POLYGON

49. COORDINATE GRID A TWO-DIMENTIONAL NETWORK OF HORIZONTAL AND VERTICAL LINES THAT ARE PARALLEL AND EVENLY SPACED; ESPECIALLY DESIGNED FOR LOCATING POINTS, DISPLAYING DATA, DRAWING MAPS

50. COORDINATES NUMBERS THAT CORRESPOND TO POINTS ON A COORDINATE PLANE IN THE FORM ( X,Y ) OR A NUMBER THAT CORRESPONDS TO A POINT ON A NUMBER LINE