Here a = 2, b = -2, c = -1
b^2-4ac = (-2)^2 - 4(2)(-1)
= 4 +8
= 12
Answer:
45
Step-by-step explanation:
Total score = 35 + (-10) + (-15) + 20 + 5
Total score = 35 - 10 - 15 + 20 + 5
Total score = 60 - 25
Total score = 45
Answer:c
Step-by-step explanation:
