Substitution


    Find the value of the following expressions if a = 2, b = 5 and c = 10

    Question
    a + b

    Answer 7



    Question
    a b

    Answer 10



    Question
    c − a

    Answer 8



    Question
    a 2

    Answer 4



    Question
    a + b + c

    Answer 17



    Question
    ( a + b ) 2

    Answer 49



    Question
    2 a + 3 b

    Answer 19



    Question
    5 c − 2 b

    Answer 40



    Question
    a 2 + c 2

    Answer 104



    Question
    a b 2

    Answer 50



    Question
    3 a + b c

    Answer 56



    Question
    a b c

    Answer 100



    Find the value of the following expressions if d = -5, e = 2 and f = -7

    Question
    d + e

    Answer -3



    Question
    d + f

    Answer -12



    Question
    e − d

    Answer 7



    Question
    f − d

    Answer -2



    Question
    d e

    Answer - 10



    Question
    d f

    Answer 35



    Question
    ( d + 3 ) 2

    Answer 4



    Question
    5 e + f

    Answer 3



    Question
    d 2 + e

    Answer 27



    Question
    2 d + 3 f

    Answer - 31



    Question
    f − d e

    Answer 3



    Question
    d e f

    Answer 70



8th October 2019

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