The answer is d 100 tan 40 degrees
Answer:
(a) discriminant is positive, 76
(b) the above tells you there are two real roots
Step-by-step explanation:
the discriminant is 'b² - 4ac'
3x² - 2x - 6 = 0 ∴ a = 3, b = -2, c = -6
(-2)² - 4(3)(-6) = 4 + 72
The answer for the second one is 0.
Answer: 11.2 because I know trust me. I did a worksheet with this same question and got 11.2 and it was correct.
