Question

Find one of the zero of the polynomial 2x^2 + 7x – 4? * a)1/2 b) – 5 c) – 9 d) 1/5

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

a)1/2

Step-by-step explanation:

P(x)=0

2x^2+7x-4=0

2x^2+8x-x-4=0(factorized by splitting the middle term)

2x(x+4)-1(x+4)=0

(2x-1) (x+4)=0

x=1/2