Liv1234
  • Liv1234
HELP PLEASE
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Liv1234
  • Liv1234
Liv1234
  • Liv1234
Liv1234
  • Liv1234
@hartnn @geny55

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More answers

hartnn
  • hartnn
whats the question ?
Liv1234
  • Liv1234
Make a mapping diagram for the relation. {(-2,-6), (0,3), (1,-5), (5,0)}
hartnn
  • hartnn
ok, so the arrow that starts from -2 should go to -6
hartnn
  • hartnn
similarly, the arrow starting from 0 goes to 3 and same for others which option has that property ?
Liv1234
  • Liv1234
C? And could you help me with another one? And i LOVE YOUR PROFILE PICTURE!
hartnn
  • hartnn
C is correct :) sure yes, I love it too :D
Liv1234
  • Liv1234
Okay, I'll post it. And it's kinda funny cause I was watching Dragon Ball this morning, I'm rewatching all the episodes cx
hartnn
  • hartnn
cool! :)
Liv1234
  • Liv1234
Liv1234
  • Liv1234
Liv1234
  • Liv1234
Liv1234
  • Liv1234
Okay, that's the one. Sorry for the multiple pictures.
hartnn
  • hartnn
which one do you think?
Liv1234
  • Liv1234
I was thinking D, but I think I'm wrong.
hartnn
  • hartnn
If you can draw a vertical line anywhere on a graph so that it hits the graph in more than one spot, then the graph is NOT a function.
Liv1234
  • Liv1234
So, it's not D?
hartnn
  • hartnn
nope, try C
Liv1234
  • Liv1234
So, C would be correct?
hartnn
  • hartnn
yes :)
Liv1234
  • Liv1234
Omg thank you(:
Liv1234
  • Liv1234
Can you help me with one more? I think I have the answer, but I keep getting confused.
hartnn
  • hartnn
sure ask :)
Liv1234
  • Liv1234
Okay, I'll post it here. c:
Liv1234
  • Liv1234
Liv1234
  • Liv1234
Liv1234
  • Liv1234
Liv1234
  • Liv1234
Liv1234
  • Liv1234
The one I clicked is the one that I think is right
hartnn
  • hartnn
where would be (3/2, 0) on the graph?? on x axis or on y axis?
Liv1234
  • Liv1234
I'm not sure, but it seems like all of the domain and range things are the same. That's what is confusing me
hartnn
  • hartnn
ok, domain is just the set of all x values range is the set of y values
hartnn
  • hartnn
and 3/2, 0 will lie in x axis at 3/2 distance from Origin so what you clicked isn't correct
Liv1234
  • Liv1234
My other assumption was that A is the answer.
hartnn
  • hartnn
yes, its A :)
Liv1234
  • Liv1234
Omg that was my first guess but I was thrown off. cx thank you! I have to catch up on my overdue work and really wanna watch Dragon Ball when I'm done lol. I appreciate your help.
hartnn
  • hartnn
you're most welcome ^_^ Enjoy the awesome show ;)
Liv1234
  • Liv1234
@hartnn I got stuck on a question, could you help?
Liv1234
  • Liv1234
hartnn
  • hartnn
sure
hartnn
  • hartnn
for direct variation the ratio of y to x is constant
hartnn
  • hartnn
when y = 72, x =18 so y/x = 72/18 = 4
hartnn
  • hartnn
do that for ther set of values and see if you get the ratio as 4 or not
Liv1234
  • Liv1234
I'm confused.
hartnn
  • hartnn
24/6 = 4 or not? 216/54 = 4 or not?? 648/162 = 4 or not ??
Liv1234
  • Liv1234
They are all true.
Liv1234
  • Liv1234
Which means the answer is no?
hartnn
  • hartnn
then its a direct varion with k=4 and y = kx :)
Liv1234
  • Liv1234
So, it would be A?
hartnn
  • hartnn
yes
Liv1234
  • Liv1234
Yay! Would you be able to help me with a couple more?
hartnn
  • hartnn
I can try :)
Liv1234
  • Liv1234
Thank you very much(:
hartnn
  • hartnn
y = kx y = 2.52, x =8.4 so k = 2.52/8.4 = ... ?
Liv1234
  • Liv1234
0.3?
Liv1234
  • Liv1234
But, that's not one of the choices though
hartnn
  • hartnn
because thats the value of k :) y = kx = 2.7*0.3 = ... ? the answer to that will be in the choices
Liv1234
  • Liv1234
0.81 (:
hartnn
  • hartnn
yusss
Liv1234
  • Liv1234
I have two more questions, can you still help? (:
hartnn
  • hartnn
yes
Liv1234
  • Liv1234
hartnn
  • hartnn
1 1/3 = 1+1/3 = 4/3
hartnn
  • hartnn
so it would be w = 4/3 t
Liv1234
  • Liv1234
So it can't be A or C?
hartnn
  • hartnn
and if you multiply that by 5 we get 20/3 which is just 6 2/3
hartnn
  • hartnn
its B :)
Liv1234
  • Liv1234
Yay! Can you help me with one more?
hartnn
  • hartnn
sure
Liv1234
  • Liv1234
Liv1234
  • Liv1234
Liv1234
  • Liv1234
Liv1234
  • Liv1234
That's the question
hartnn
  • hartnn
y = 5/2 x so when x =2, y will be 5 which line passes through origin and the point 2,5 ??
Liv1234
  • Liv1234
D?
hartnn
  • hartnn
nope locate 2,5 on the graph
Liv1234
  • Liv1234
Oh wait, it kinda looks like it is B.
Liv1234
  • Liv1234
Omg wait, is it C?
hartnn
  • hartnn
|dw:1443209456658:dw| yes its C :)
Liv1234
  • Liv1234
Is a 99 in Algebra 2 good? I kinda freaked out about it because I feel like I have to have a 100 in every class.
hartnn
  • hartnn
its too good! :) Congrats
Liv1234
  • Liv1234
Thank you(:
hartnn
  • hartnn
welcome ^_^
Liv1234
  • Liv1234
Can you help me with another graph question? I hate to ask because you've already helped me with a lot.
Liv1234
  • Liv1234
@hartnn
hartnn
  • hartnn
go on
Liv1234
  • Liv1234
Liv1234
  • Liv1234
Liv1234
  • Liv1234
And then I have a couple other questions that I need help with, I learned some of it in night grade, but I'm having a hard time remembering how to solve them if you don't mind helping.
hartnn
  • hartnn
are these test questions?
Liv1234
  • Liv1234
No, they're for like quick check/practice things ;-;
hartnn
  • hartnn
can you ask them in a separate post from now? sorry, I have to be somewhere right noe...
Liv1234
  • Liv1234
It's okay, thank you for your help.

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