Math, asked by sheebajoshuva613, 6 months ago

1. determine by substitution if (-1) is the root of -2x + 1 = 0

Answers

Answered by harshajanu20613

0

Answer:

no

Step-by-step explanation:

-2(-1)+1=2+1=3

3≠0

Answered by vanshikavirmani

1

no,

p(X) = -2x + 1 =0
p(-1) = -2(-1) + 1 =0
p(-1) = 2+1 = 0
p(-1) = 3

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