Question

3) Find the zero of the polynomial 2x + 1
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Answer 1

-1/2

Step-by-step explanation:

2x+1=0

2x=-1

x= -1/2

Answer 2

Answer:

First way:

Given polynomial p(x)=2x−1

We know that p(x) is zero polynomial the value of p(x)=0

∴2x−1=0

Add 1 both sides we get

3x−1+1=1

⇒2x=1

Divided by 2 we get

x= 2/1

So p(− 2/1 ) is the zero polynomial 2x−1

Second way:

polynomial = p(x)=2x+1

zero = 2x+1=0

2x=-1

x=-1/2

Step-by-step explanation:

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