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TIU CET Review Math Session 2 by Young Einstein
 

TIU CET Review Math Session 2 by Young Einstein

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Young Einstein's College Entrance Test Review

Young Einstein's College Entrance Test Review
Math Session 2 - Algebra
Absolute Value
Exponents
Algebraic Expressions
FOIL method

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    TIU CET Review Math Session 2 by Young Einstein TIU CET Review Math Session 2 by Young Einstein Presentation Transcript

    • Math, Session 2 TIU College Entrance Test Review
      • WHAT IS THE DISTANCE BETWEEN
      • ANY NUMBER X AND Y?
      • What is the distance between 15 and 0?
      • 15
      • What is the distance between 21 and 46?
          • 25
      • What is the distance between -8 and 0?
      • 8
      • What is the distance between -30 and 50?
      • 80
      • What is the distance between -12 and -5?
      • 7
      • | 9 | =
      • | -4 | =
      • Absolute value is the same number, in positive form.
      • What is the distance between 15 and 0?
      • Is it | 15 – 0| or | 0 – 15| ?
      9 4
      • What is the distance between -8 and 0?
      • Answer: | -8 -0 | or | 0 - -8 |
      Distance = | X – Y | = | Y – X |
    • Rule for addition of signed numbers of the same sign : Add the numbers and prefix the common sign. Rule for addition of signed numbers of different signs : Subtract the numbers and prefix the Sign of the number with the larger value.
    • Rule for subtraction of signed numbers: Change the operation to addition, and change The sign of the second number. Then perform as in addition of signed numbers.
    • Rule for two numbers with the same sign : The product/quotient of the two will be positive .
      • The rule for two numbers of different signs :
      • The product/quotient of the two will be negative .
    • 1.) Solve by disregarding signs. 2.) Do cancellation when possible. 3.) Count the negative signs. If even  result is positive If odd  result is negative
    • In general, Therefore, 5! =?
      • Math, Session 2, Algebra
      • Evaluate the following expression for x = 4:
      • We can only add or subtract like terms .
      Is the answer 11 x –w also correct? YES!
      • We can only add/subtract like terms .
      The simplified form of the AE above is:
      • We use the laws of exponents.
      • Some examples:
    •  
      • Master multiplication of simple terms
      • 3 techniques to multiply (x+a)(x+b)
        • Distributive Property of Multiplication over Addition
        • F-O-I-L Method
        • Column Format
      • Technique 1: DPMA
    • First Outer Inner Last
    •  
      • You can use DPMA and the Column Format to multiply not only binomials, but also trinomials and AE’s with many terms.
    •