While solving GMAT quant questions, always remember that your one goal is to identify the correct answer as efficiently as possible, and not to please your former math teachers.
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Comment on Graphing Lines
Pls help with the following
Here's my step-by-step
Here's my step-by-step solution: https://gmatclub.com/forum/on-the-graph-above-when-x-1-2-y-2-and-when-x-...
Cheers,
Brent
Is this why we say that a
You bet! The same applies to
You bet! The same applies to the number line.
Cheers,
Brent
Hi Brent,
Grateful if you could provide me with your approach to solve this problem.
Thanks
In the xy-coordinate system, if (a, b) and (a+3, b+k) are two points on the line defined by the equation x = 3y - 7, then k =
A) 9
B) 3
C) 7/3
D) 1
E) 1/3
Please provide explanation!!
Glad to help!
Glad to help!
Here's my full solution: https://gmatclub.com/forum/in-the-xy-coordinate-system-if-a-b-and-a-3-b-...
Cheers,
Brent
Hi Brent,
Just checking for this question: I found it easier and faster to answer using this approach, is it sound?
Question:
In the xy-coordinate system, if (a, b) and (a+3, b+k) are two points on the line defined by the equation x = 3y - 7, then k =
_________
Answer:
All i did was find the x intercept and substituted to get the why intercept.
So...
x= 3(0) -7
x=-7
(-7+3, 0+k)
-4=3y-7
y=1
(a+3,b+k)
(-7+3, 0+1)
therefore k=1
I think its a right approach that i hope to use in future, will it work or did I just get lucky?
Thanks in advance for your help,
Kamo
Great work, Kamo!
Great work, Kamo!
That's a well-reasoned solution