tolmachevnichol
tolmachevnichol tolmachevnichol
  • 02-10-2019
  • Mathematics
contestada

To use Long Division of Polynomials to verify that x = a/b is a zero on a polynomial function P(x), the divisor would be

A) ax - b
B) ax + b
C) bx + a
D) bx - a

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sqdancefan
sqdancefan sqdancefan
  • 07-10-2019

Answer:

  D)  bx - a

Step-by-step explanation:

If a/b is a zero, then (x -a/b) is a factor of the polynomial. That is, the value x=a/b will make a factor of the polynomial be zero.

The above factor can be written without fractions by multiplying it by b:

  (bx -a) . . . . matches choice D

__

You can also choose the answer on the basis of which expression becomes zero when x=a/b.

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