Answered

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Determine the remainder when 6x^3+ 23x^2 - 6x -8 is divided by 3x-2. What information does the remainder provide about 3x-2? Explain.

Sagot :

we have

6x^3+ 23x^2 - 6x -8 : (3x-2)

step 1

Verify if (3x-2) represents a factor

If (3x-2) is a factor

then

3x-2=0 ------> x=2/3

Substitute the value of x=2/3 in the given expression

6(2/3)^3+23(2/3)^2-6(2/3)-8

6(8/27)+23(4/9)-4-8

(16/9)+(92/9)-12

12-12=0

that means

(3x-2) is a zero of the given function

therefore

when divide (6x^3+ 23x^2 - 6x -8 ) by (3x-2), the remainder is zero

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