the answers said it was D but is it not B or am I being stupid
anonymoushehe Active Member Joined Apr 15, 2022 Messages 136 Location Newcastle, NSW Gender Male HSC 2025 Feb 25, 2024 #1 the answers said it was D but is it not B or am I being stupid Attachments IMG_5708.jpeg 90.9 KB Views: 62
HazzRat H̊ͯaͤz͠z̬̼iẻͩ̊͏̖͈̪ Joined Aug 29, 2021 Messages 1,249 Gender Male HSC 2024 Feb 25, 2024 #2 anonymoushehe said: the answers said it was D but is it not B or am I being stupid Click to expand... Yep I think it's B too. concave up so a > 0 the y-intercept is positive so c > 0 it has no x-intercepts so the discriminator < 0 Last edited: Feb 25, 2024
anonymoushehe said: the answers said it was D but is it not B or am I being stupid Click to expand... Yep I think it's B too. concave up so a > 0 the y-intercept is positive so c > 0 it has no x-intercepts so the discriminator < 0
deadliestcolt Member Joined Oct 24, 2023 Messages 29 Gender Male HSC 2024 Feb 25, 2024 #3 it must be B
L Luukas.2 Well-Known Member Joined Sep 21, 2023 Messages 444 Gender Male HSC 2023 Mar 9, 2024 #5 Definitely positively certainly B and not D.