karolynxx
  • karolynxx
the table shows ordered pairs of the function y = 16 + 0.5x Which ordered pair could be the missing values represented by (x, y)? a) (0, 18) b) (5, 19.5) c) (8, 20) d) (10, 21.5)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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karolynxx
  • karolynxx
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DanJS
  • DanJS
oh, they even gave you the function to start, much less work
sloppycanada
  • sloppycanada
Well, we know that there's already a 0 and a 10 in the x column, so we can eliminate those two answers from our choices, correct?

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DanJS
  • DanJS
any x value that is between the previous and the next point
karolynxx
  • karolynxx
correct
DanJS
  • DanJS
to keep it increasing as you go down
DanJS
  • DanJS
so b and c are possible, put those x values into the function and see if the y value comes out right
karolynxx
  • karolynxx
So B?
sloppycanada
  • sloppycanada
The second I did was look and see if any of the possible y-values were directly half in between 16.5 and 21.
karolynxx
  • karolynxx
the one between those would be 19.5
sloppycanada
  • sloppycanada
And since 19.5 is in between both of them, I assumed that the answer was indeed B. Then I went ahead.
karolynxx
  • karolynxx
ThankYou !
DanJS
  • DanJS
try that point for B in the function
DanJS
  • DanJS
y=16 + 0.5*x hmmm,
DanJS
  • DanJS
16 plus half of 5 is 18.5, no good
sloppycanada
  • sloppycanada
I got 19. So oops on that one.
DanJS
  • DanJS
the one other possible point should work
sloppycanada
  • sloppycanada
It doesn't.
sloppycanada
  • sloppycanada
16.5 + .5(8) = 20.5
DanJS
  • DanJS
(8,20) y=16 + 0.5x good
DanJS
  • DanJS
no 16.5, it is just 16
sloppycanada
  • sloppycanada
Then that screwed up all my calculations... wonderful @karolynxx I made a mistake.
DanJS
  • DanJS
The whole point to see that the order of the points in the table are arranged in increasing x values, then test which points that may work, satisfy the equation
karolynxx
  • karolynxx
Thats Okay Thank you guys !
DanJS
  • DanJS
welcome, it is funny when you forget who asked the question.

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