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 2 years ago
Which of the following could be points on the unit circle?
(answer choices attached!)
***CHOOSE ALL THAT APPLY!!!!
 2 years ago
Which of the following could be points on the unit circle? (answer choices attached!) ***CHOOSE ALL THAT APPLY!!!!

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iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0answer choices A,B,C,D from top to bottom... im not really sure on this one... pls explain! thanks! :) ***choose ALL that apply :)

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0thanks for coming :) do y'all get this one?

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2The equation of the unit circle is x^2 + y^2 = 1 Any point that makes the equation true is a point on the unit circle.

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0okay lemme try plugging em in... one sec!

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0i tried the first one and it didn't work...... i got 1.34... did i do that right?? so A is WRONG right? :)

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0and for the second choice, i got 1.4444444... so that's wrong also right?

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0but (1,1) =1 when i plug in so C is an answer right?! :)

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2Try the second one again.

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0and for the last one, i got .28... so that's wrong right?? D is NOT an answer right?

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2(1, 1) x^2 + y^2 = 1 1^2 + 1^2 = 1? 1 + 1 = 1 Not true, so (1, 1) is not a point on the unite circle.

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0oh okay i did it again... i got 1 lol so B is an answer yes?

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2You are doing your math wrong.

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2Two work and two don't work.

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0ohhh and i see for C... lol my bad!!! :P so A and C are out... and B is an answer?

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0and lemme try D again... and D is 1 as well.. my bad.. i entered them all weird in my calc so everything was wrong.. my bad!!! LOL sorry bout that... so B and D are the answers?

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2dw:1361312285133:dw

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2dw:1361312348159:dw

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.0i see.. so my answers are B and D then right??

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2C doesn't work. I showed you above.

mathstudent55
 2 years ago
Best ResponseYou've already chosen the best response.2(0.8)^2 + (0.6)^2 = 1? 0.64 + 0.36 = 1? 1 = 1 It works. D is true
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