The Zeroes of the polynomials $x^{2} - 8 x + 15$ are

Both negative

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both positive

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one negative and one positive

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additive inverse of each other

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Solution

The correct option is B both positive
$x^{2} - 8 x + 15$
$= x^{2} - 5 x - 3 x + 15$
$= x (x - 5) - 3 (x - 5)$
$= (x - 5) (x - 3)$
$∴$ the zeroes of the polynomial are $5$ and $3$ where both are positive.

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The Zeroes of the polynomials x2−8x+15 are

The correct option is B both positivex2−8x+15=x2−5x−3x+15=x(x−5)−3(x−5)=(x−5)(x−3)∴ the zeroes of the polynomial are 5 and 3 where both are positive.

The Zeroes of the polynomials $x^{2} - 8 x + 15$ are

The correct option is B both positive
$x^{2} - 8 x + 15$
$= x^{2} - 5 x - 3 x + 15$
$= x (x - 5) - 3 (x - 5)$
$= (x - 5) (x - 3)$
$∴$ the zeroes of the polynomial are $5$ and $3$ where both are positive.