Question

If 2 is a zero of the polynomial x2-3x+k,then find k and the other zero

Answer 1

given

quadratic
f(X) =
x²-3x+k

if X = 2 is zero of f(X)

then f(2) should be zero

f(2) = (2)²-3*2+k = 0


=> 4-6 +k = 0


=> k = 2

now f(X) = x²-3x+2

= x²-2x-x +2

= x(x-2)-1(x-2)

= (x-2)(x-1)

thus another factor of f(X) is x-1

so zero will be X = 1

Answer 2

Answer:

1

Step-by-step explanation:

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