Which of the following is not true for the equation y= x + 5?
A) The output is 6 for an input of 1.
B) When the independent variable is negative one, the dependent variable is 4.
C)(3,2) is a solution
D)When x is 7, y is 12
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OpenStudy (anonymous):
Im stuck on B and C
OpenStudy (ankit042):
I think you are right :D
OpenStudy (skullpatrol):
Would you please explain your reasoning?
OpenStudy (anonymous):
what do you mean by reasoning
OpenStudy (skullpatrol):
Why do you think A is true?
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OpenStudy (anonymous):
If you add 5 to 1
It's 6
OpenStudy (skullpatrol):
Yes, now how about B?
OpenStudy (anonymous):
I don't really understand B
OpenStudy (skullpatrol):
B) When the independent variable is negative one, the dependent variable is 4.
OpenStudy (anonymous):
I know but I don't understand it
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OpenStudy (skullpatrol):
The independent variable is x and the dependent variable is y.
OpenStudy (anonymous):
So B is true
OpenStudy (skullpatrol):
Why?
OpenStudy (anonymous):
-1 + 5 is 4
OpenStudy (skullpatrol):
Yes, now how about C?
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OpenStudy (skullpatrol):
C)(3,2) is a solution
OpenStudy (anonymous):
Ok so it C is the correct Answer because
7 + 5 =12
OpenStudy (skullpatrol):
The question asks: Which of the following is not true for the equation y= x + 5?
OpenStudy (anonymous):
the only one that is left is C)
OpenStudy (skullpatrol):
Yes, show me how it is not true that (3,2) is a solution.
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OpenStudy (anonymous):
We already crossed out all the answer choices
OpenStudy (skullpatrol):
You said A, B and D are all true, so that only leaves C, but I want you to show me how C is false.
OpenStudy (anonymous):
3,2 are not solution
OpenStudy (skullpatrol):
Why?
OpenStudy (anonymous):
I don't know lol
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OpenStudy (skullpatrol):
(3,2) means x=3 and y=2 because they give you the numbers in this (x,y) form, alphabetically.