Question

show that the quadratic polynomial 4 x square + 12 x + 15 has no real zeros

Answer 1

Hope this helps you ☺☺

Answer 2

hey! here is your answer

4x^2+12x+15
here a=4,b =12 and c=15
discriminant=b^2-4ac
=12^2-4*4*15
=144-240= -96
thus -96 is less than zero so the quadratic polynomial has no real zeroes