Maths-
General
Easy

Question

Identify the value of c that makes the trinomial factorable using the perfect square pattern.
x squared minus 10 x plus c

hintHint:

using condition b squared minus 4 a c equals 0  in the trinomial to find c which makes the trinomial the perfect square .Ans :- c = 25

The correct answer is: c = 25


    Given , x squared minus 10 x plus c text  comparing it with  end text a x squared plus b x plus c
    Herea equals 1 semicolon b equals negative 10
    b squared minus 4 a c equals 0 if the trinomial is a perfect square.
    b squared equals 4 a c not stretchy rightwards double arrow left parenthesis negative 10 right parenthesis squared equals 4 left parenthesis 1 right parenthesis left parenthesis c right parenthesis not stretchy rightwards double arrow 100 equals 4 c

     c equals 25

    ∴ c = 25

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