anonymous
  • anonymous
which ordered pair is a solution of y=5x a.-2,10 b.-5,25 c.-3,15 d.-2,-10
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
First You need to try substituting the options
anonymous
  • anonymous
The correct answer will be equal on both sides of the equation
texaschic101
  • texaschic101
this is just a matter of substitution to see which one is correct I will do the first one.. y = 5x (-2,10)...x = -2 and y = 10 now we sub 10 = 5(-2) 10 = -10 ...this is incorrect and is not a solution. now sub in your points and find the one that is correct

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anonymous
  • anonymous
is it b?
texaschic101
  • texaschic101
when you sub in your points....does it make the equation true ?
anonymous
  • anonymous
im a bit confused
anonymous
  • anonymous
on substituting
texaschic101
  • texaschic101
your points are set up like this....(x,y) y = 5x (-5,25)....x = -5 and y = 25 now sub 25 = 5(-5) 25 = -25.....is this correct ?
anonymous
  • anonymous
For substituting for this problem you are going to simply take the first number in the problem and replace it with the X and replace the second number for the y and then multiply the x number by five since they are coordinates.
anonymous
  • anonymous
no
texaschic101
  • texaschic101
so b is not the solution. Now try your other answer choices and find the one that is true
anonymous
  • anonymous
oh it's D
texaschic101
  • texaschic101
BINGO...yes...you got it
anonymous
  • anonymous
thank you
texaschic101
  • texaschic101
sure thing :)
anonymous
  • anonymous
wait
texaschic101
  • texaschic101
ok
anonymous
  • anonymous
can you help me again...
texaschic101
  • texaschic101
I can try
anonymous
  • anonymous
which ordered pair is a solution of -7x+2 a. 1,2 b. 8,-54 c.5,-35 d.1,-7
anonymous
  • anonymous
now i was worming out this one and thinking it's c
anonymous
  • anonymous
working*
texaschic101
  • texaschic101
do it the same way......oh...wait....this is not the entire equation...whats it equal to ?
anonymous
  • anonymous
yeah it's a question mark next to the 2
texaschic101
  • texaschic101
I do not understand....it is not an equation if there is no equal sign. this is what would happen if I just subbed in the points... -7x + 2 (1,2)...x = 1 and y = 2 now sub -7(1) + 2 = -7 + 2 = -5 there is not even a y in your equation....I cannot solve this
anonymous
  • anonymous
sorry it's y= -7x+2
anonymous
  • anonymous
@texaschic101

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