I’ve done these questions before and i’ve gotten confused because I have trouble with nagative numbers but i’ve gotten better st it. It’s -5
Mixture B is the right answer
Check the picture below.
let's recall that a straight-line has 180°, and that sum of all interior angles in a triangle is also 180°.
Answer:
-360
Step-by-step explanation:
b^2-4ac=(-6)^2-4(9)(11)
=36-396
=-360