Question

f(x) = 3x2 + 12x + 5

What is the value of the discriminant of f?

How many distinct real number zeros does f (2) have?

Answer 1

Answer:

Discriminate is 84

And F(2) is 41

Step-by-step explanation:

Discriminate of a quadratic equation is given by

D=b^2-4aC

Given

F(x)=3x^2+12x+5

a=3,b=12 and C=5

D= 12^2-4*3*5=84

For F(2)

F(2)=3(2)^2+12(2)+5=41