Question

Y2+3y−4divided by y^2−5y+4

Step 2 of 2 : Determine what value(s), if any, of the variable must be excluded.

98 POINTS

Answer 1

(y+4)

(y-4)

Explanation:

Answer 2

(y+4)

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(y-4)

y cannot equal 4 or 1

Explanation:

y^2 +3y -4

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y^2 -5y +4

I will factor the numerator and the denominator

(y+4) (y-1)

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(y-4) (y-1)

The factors that must be excluded must be determined before we cancel

y cannot equal 4 or 1 because that would make the denominator go to zero

Cancel y-1 from the numerator and denominator

(y+4)

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(y-4)