Answer:
See answers and explanations
Step-by-step explanation:
A) Discriminant = b² - 4ac = (12)² - 4(9)(4) = 144 - 144 = 0
B) Since the discriminant is 0, this means the equation only has one root.
C) The root is real in this case since the discriminant is not negative. Otherwise, we would have two imaginary roots if it were (remember that complex roots come in pairs)
8. 1,728 i did 12×18÷2=108×32=345÷2= 1,728
Answer:
look it up
Step-by-step explanation:
Answer:
the answer is 4/5 because 4 divided by 5 is .80. multiply the .80 by 100 to get 80%
