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OpenStudy (mrcoolguy):
OpenStudy (mrcoolguy):
@satellite73
OpenStudy (mrcoolguy):
@AnimalLover8
OpenStudy (skullpatrol):
Any ideas?
OpenStudy (mrcoolguy):
C???
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OpenStudy (skullpatrol):
What makes you say C?
OpenStudy (mrcoolguy):
almost all answers are C
OpenStudy (skullpatrol):
That would make multiple choice questions too easy :-)
OpenStudy (skullpatrol):
What other ideas do you have?
OpenStudy (mrcoolguy):
A
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OpenStudy (skullpatrol):
Why A?
OpenStudy (mrcoolguy):
idk
OpenStudy (skullpatrol):
Math is all about knowing why my friend :-)
OpenStudy (mrcoolguy):
but i'm bad at knowing why and math
OpenStudy (skullpatrol):
It takes patience and a lot of practice.
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OpenStudy (skullpatrol):
Let's begin with a definition, ok?
OpenStudy (mrcoolguy):
ok
OpenStudy (skullpatrol):
What is a solution of an equation mean?
OpenStudy (mrcoolguy):
idk
OpenStudy (skullpatrol):
A solution of an equation is any value of a variable that makes the equation a true statement.
Read that^ carefully please, do you understand what it means?
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OpenStudy (mrcoolguy):
brb one sec
OpenStudy (aklabeast):
Do you still need help with the problem.
OpenStudy (mrcoolguy):
yes
OpenStudy (skullpatrol):
What that means is you replace the variables with numbers and see if you get a true statement
OpenStudy (mrcoolguy):
ok
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OpenStudy (skullpatrol):
Look at $$\Huge y=5x-1$$
OpenStudy (skullpatrol):
Replace x and y with values from the table and see if you get a true statement?
OpenStudy (aklabeast):
skullpatrol is right. x is the variable on the left. You plug it into the equation. Try all of them out and see what you get. :) :) :) Let me know if you want some websites to help you out.
OpenStudy (skullpatrol):
( 0, -1 ) means replace x with 0 and replace y with -1.
OpenStudy (mrcoolguy):
can i see some websites
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OpenStudy (aklabeast):
Ask away
OpenStudy (mrcoolguy):
-1 =? what goes here but there is nothing else = 5•(0) - 1
OpenStudy (skullpatrol):
This =?= means "is this equation true"
OpenStudy (skullpatrol):
What does 5•(0) - 1 equal?
OpenStudy (mrcoolguy):
4.0 or 5.-1
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OpenStudy (skullpatrol):
5 times 0 minus 1
OpenStudy (mrcoolguy):
4
OpenStudy (skullpatrol):
5•0 = 0
OpenStudy (skullpatrol):
0 – 1 = -1
OpenStudy (skullpatrol):
Does -1 = -1
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OpenStudy (mrcoolguy):
yea
OpenStudy (skullpatrol):
Do you see what I did there?
OpenStudy (mrcoolguy):
yes
OpenStudy (skullpatrol):
So that means A is the answer :-)
OpenStudy (aklabeast):
NO disrespect to skullpatrol but I would solve it differently. It isn't that hard. All you have to do is take the equation and plug in the x to the number that is next to x. Look at the drawing.|dw:1460085446351:dw|