Question

a) A quadratic polynomial whose zeros are -5 and 1 is :
i) x2 + 4x - 5 ii) x2 + 4x + 5 iii) x2 - 4x + 5 iv) x2 - 4x - 5​

Answer 1

Answer:

i)x²+4x-5

Step-by-step explanation:

α=(-5), β=1

Quadratic polynomial

=x²-(α+β)x+αβ

=x²-(-5+1)x+(-5)(1)

=x²-(-4)x+(-5)

=x²+4x-5

Option (i)