Discriminant =
b² - 4ac
3² - 4(2)(- 9)
9 + 72
81
Your equation has two real solutions.
2x² + 3x - 9 = 0
2x² + 6x - 3x - 9 = 0
2x(x + 3) - 3(x + 3) = 0
(2x - 3)(x + 3) = 0
Set each equal to zero:
2x - 3 = 0
2x = 3
x = 3/2
x + 3 = 0
x = - 3
Your two solutions are x = - 3, 3/2
Answer:
Andrea bought 3.5 pounds of bananas for a total of $1.24. What was the cost per pound of the bananas?
Step-by-step explanation:
Sorry if i am wrong but it's 40
Answer:
0.097
Step-by-step explanation:
Answer:
IT CAN BE MANY THINGS
Step-by-step explanation:
