TAP MATH 3

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shockwave
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262661
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TAP MATH 3
Updated:
2014-02-24 12:55:57
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TAP MATH
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TAP MATH 3
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TAP MATH 3
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  1. 1,000M = ? KM
    1,000M = 1KM
  2. THE _____ OF A RECTANGLE IS THE SUM OF THE LENGTHS OF ITS FOUR SIDE.  (2L +2W)
    PERIMETER.
  3. DEFINE AREA OF A RECTANGLE
    THE PRODUCT OF ITS LENGTH AND WIDTH.

    • BE CAREFUL! ALL UNITS MUST BE THE SAME!!
    • (INCHES, FEET, ECT)
  4. Scientific notation...10x

    MOVE TO THE LEFT/RIGHT WHAT HAPPENS?
    LEFT LARGER X   RIGHT SMALLER X (-X)
  5. WHEN YOU DIVIDE SCI NOTATION HOW DO YOU HANDLE THE X10X ?
    SUBTRACTION. 

    • BUT BE CAREFUL!!! WATCH SIGNS. 
    • EX: -3 - -4    --->    -3 + +4= 1
  6. NOTE: WHEN DOING NUMBER SEQUENCING GO PAST 1 LEVEL!!

    REMEMBER THE "8" EXAMPLE!!

    ALSO USE EXPONENTS AS SOLUTIONS!!
  7. SLOPE FORMULA
  8. WHAT IS Y=MX +B IN STANDARD FORM?
    A IS POS. B IS POS OR NEG. NO FRACTIONS.
  9. WHAT IS THE FORMULA FOR SLOPE IN STANDARD FORM?
    • REMEMBER THE IT'S OPPOSITE OF A. 
  10. WHAT IS X INTERCEPT IN STANDARD FORM?
  11. WHAT IS THE Y INTERCEPT IN STANDARD FORM?
  12. 91=?
    9

    If the exponent is 1, then you just have the number itself.
  13. 9= ?


    If the exponent is 0, then you get 1.

    But what about 00 ? It could be either 1 or 0, and so people say it is "indeterminate".
  14. 51 = ?
    5
  15. 50 = ?
    1
  16. 5-1 = ?
    1 / 5 = 0.2

    start with "1" and then multiply (POS EXP) or divide (NEG EXP)as many times as the exponent says, then you will get the right answer.
  17. 5-2 = ?
    1 / 5 / 5

    • 1/ 5 = 0.2 THEN DIVIDE 0.2 BY 5 AGAIN
    • 0.2 / 5 = .04

    • -----OR---- 
    • MULTIPLY 5*5 = 25 THEN RECIPROCATE 1/25 NOW DIVIDE IT. = .04
  18. 8-1 = ?
    8-1 = 1 ÷ 8 = 0.125
  19. 5-3 =?
    5-3 = 1 ÷ 5 ÷ 5 ÷ 5 = 0.008

    •  5-3 could also be calculated like:
    • 1 ÷ (5 × 5 × 5) = 1/53 = 1/125 = 0.008
  20. 10-3 = ?
    • 1 / 103=1/1,000 = 0.001
  21. (-2)-3 = ?
    • 1 / (-2)3=1/(-8) = -0.125

    (-2) * (-2) = (4) * (-2) = (-8)

    • With ()  (-2)^2 = (-2) × (-2) = 4
    • Without ()  -2^2 = -(22) = - (2 × 2) = -4
  22. (-2)2 = ?
    (-2)2 = (-2) × (-2) = 4

    WITH () THINK INDIVIDUALLY GROUPED.
  23. -22 =?
    -22 = -(22) = - (2 × 2)-4

    THINK GROUPED TOGETHER!

  24. (ab)2 =?
    (ab)2 = ab × ab

    WITH () YOU APPLY EXP TO ALL INSIDE!

  25. ab2 =?
    • ab2 = a × (b)2 = a × b × b
    • WITHOUT () ONLY APPLY EXP TO THE CLOSEST BASE.
  26. QUICK! NEG OR POS ANSWER: (-3)^5
    NEG. ODD EXP!!

    (-3)5 = (-3) × (-3) × (-3) × (-3) × (-3) = -243
    (The product of an odd number of negatives is negative)
  27. What is the value of (-2)-5  ?
    (-2)-5

    [image]

    = -0.03125
  28. What is the value of (-5)-3  ?
    YES YOU CAN HAVE A NEGATIVE RECIPROCAL! 

    [image]
    • THE POINT HERE IS THE RECIPROCAL OF 8. 
    • Find the reciprocal of a whole number by placing the number over one and flipping the numerator and denominator to create the reciprocal fraction. 



  29. What is the value of 22 - 2-2 ?
    22 = 2 × 2 = 4

    [image]

    So
    22 - 2-2 = 4 - 0.25 = 3.75
  30. WHEN YOU SEE A NEGATIVE EXP, WHAT IS THE 1ST THING YOU THINK ABOUT?
    IT'S GOING TO BE A DECIMAL!!

    [image]

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