The quadratic equation 2x^2 + bx + 18 = 0 has a double root. find all possible values of b. giving

b=12 or b=-12

Step-by-step explanation:

If the quadratic equation has a double root, then its discriminant is equal to zero. Find the discriminant:

Now equate the discriminant to 0:

for b its (t) and c its (d)

step-by-step explanation:

answer: on kudzu, being female and being green are independent events.

step-by-step explanation: