anonymous
  • anonymous
look at the following points. (4,0), (3,-1), (6,3), (2,-4) which are solutions to y=x-4 choose all the correct answers. -6,3 -4,0 -3,-1 -2, -4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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goformit100
  • goformit100
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amistre64
  • amistre64
do you know how to read the information that a point gives you?
anonymous
  • anonymous
not really..

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amistre64
  • amistre64
points are defined for x and y values, they are read as: (x,y) take the first point for an example: (4,0) , this tells us that x=4 and y=0
anonymous
  • anonymous
makes sense!
amistre64
  • amistre64
in order to determine of it satisfies the given equation; just plug in the values to see if they produce a true result
anonymous
  • anonymous
so would it be the last one?
amistre64
  • amistre64
y = x-4 , try the point (4,0): x = 4, and y = 0 | | v v 0 = 4 - 4 does 0 = 4-4 ?
anonymous
  • anonymous
yes!
amistre64
  • amistre64
then (4,0) is a good point :) lets test the last one (2,-4), x=2 and y=-4 y = x-4 | | v v -4 = 2 - 4 does -4 = 2-4 ?
anonymous
  • anonymous
no!
amistre64
  • amistre64
then we would want to avoid that one since it doesnt fit .... test out the remiaing points in the same way to see if they fit or not
anonymous
  • anonymous
x y 3,-1 y=x-4 3= -1 -4 false.
anonymous
  • anonymous
that right?
amistre64
  • amistre64
remember to keep an eye on where the x and y values get placed. I know its easy to mix them up.
amistre64
  • amistre64
x y 3,-1 y = x-4 3= -1 -4 ^ ^ youve placed them in the wrong spots
amistre64
  • amistre64
x y 3,-1 y = x -4 -1= 3 -4 ^ ^ this is how we want them to go; y for y and x for x
amistre64
  • amistre64
since -1 = 3-4, this point is good
anonymous
  • anonymous
thanks!
amistre64
  • amistre64
good luck :)

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