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    Quadratic Equations and Applications (Four Problems)

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    Assignment 5: Solutions of Quadratic Equations and their Applications

    1.
    a) x2 + 6x + 7 = 0
    b) z2 + z + 1=0
    c) (3) ½ Y2 4y-7 (3) ½ = 0
    d) 2x2 - 10x + 25 = 0
    e) 2x2 +6x + 5 = 0
    f) s2 - 4s + 4 = 0
    g) 5/6x2 - 7x - 6/5 = 0
    h) 7a2 +8a + 2 = 0

    2. Given x = 1 and x = -8, form a quadratic equation.

    3. What type of solution do you get for quadratic equations where D < 0? Give reasons for your answer. Also provide an example of such a quadratic equation and find the solution of the equation.

    4. Solve the following quadratic equations:
    a) 12 x2 +9x=1
    b) 14 (m-4)-m+2)=m+2)m-4)
    c) t2 +9 =4t.

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    Solution Summary

    Quadratic equations are solved and discriminants are discussed. The solution is detailed and well presented.

    $2.49

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