F(x)=x^2-3x+18 what is the value of discriminante of f?

- 63

Step-by-step explanation:

f(x) = 1x² - 3x + 18

a =1, b= -3, c=18

D= b² - 4ac = (-3)² - 4*1*18 = - 63

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true