Use the discriminant to determine the number and type of solutions the equation has.

x2 + 6x + 12 = 0

A.
one real solution

B.
two rational solutions

C.
no real solution

D.
two irrational solutions

Question

Use the discriminant to determine the number and type of solutions the equation has. 
 
x2 + 6x + 12 = 0
 
 A.
one real solution
 
 B.
two rational solutions
 
 C.
no real solution
 
 D.
two irrational solutions

anonymous · Answer

@KendrickLamar2014

z4k4r1y4 · Answer

Equation is of the form: ax^2 + bx +c = 0 Discriminant is: b^2 – 4*a*c. if discriminant is positive then two real solutions, if it’s negative then no real solutions and if it = 0 the one real solution. this should help: http://www.purplemath.com/modules/quadform2.htm