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85295jamesBest ResponseYou've already chosen the best response.0
the lines are (4,3) (3,1)
 one year ago

85295jamesBest ResponseYou've already chosen the best response.0
A. y =4 x + 13 B. y = 4x – 13 C. y =4 x – 13
 one year ago

theEricBest ResponseYou've already chosen the best response.1
Do you know the general "pointslope" formula?\[y=mx+b\] Are you familiar with that?
 one year ago

theEricBest ResponseYou've already chosen the best response.1
Alright, well this formula is how you define a line! For a line, the "m" and "b" variables will be numbers instead. "m" is "slope" and "b" is "yintercept" Are either of those familiar to you? And are you familiar with plotting points on a graph using a formula?
 one year ago

85295jamesBest ResponseYou've already chosen the best response.0
dw:1346091835332:dw
 one year ago

theEricBest ResponseYou've already chosen the best response.1
I can immediately answer your problem, but I want to work it throug with you.
 one year ago

theEricBest ResponseYou've already chosen the best response.1
And I agree with your plot! :)
 one year ago

85295jamesBest ResponseYou've already chosen the best response.0
yes i would like that
 one year ago

eliassaabBest ResponseYou've already chosen the best response.0
You do not really need to do all this for a multiple choice question.
 one year ago

eliassaabBest ResponseYou've already chosen the best response.0
Just replace in the 3 equations and see which one works
 one year ago

eliassaabBest ResponseYou've already chosen the best response.0
C would be the answer.
 one year ago

theEricBest ResponseYou've already chosen the best response.1
eliassaab is correct. eliassaab recommends that you take the x value of one point and put it into the equation, you should get the y value of that point from calculating the correct option.
 one year ago

theEricBest ResponseYou've already chosen the best response.1
There's another quick method to determine if a formua might be right, just by looking to see if "m" and "b" are positive on your plot and then finding the choice that has those same positive or negatives. That requires a little knowledge of how it works anyway. Wold you like to work through this as if there are no multiple choices?
 one year ago

theEricBest ResponseYou've already chosen the best response.1
That would be helpful for both finding the answer without choices, and understanding the concept some more in a different way than the substitution method of eliassaab.
 one year ago

theEricBest ResponseYou've already chosen the best response.1
Would you like to work through it as if there were no multiple choice, then? :) eliassaab's method will work every time for multiple choice, though.
 one year ago

theEricBest ResponseYou've already chosen the best response.1
By looking at a picture with no points, you can narrow down the possible equations. By going through some algebra, you can find the equation by knowing any two points on the line.
 one year ago

85295jamesBest ResponseYou've already chosen the best response.0
no thank you but i need more help with other questions
 one year ago

theEricBest ResponseYou've already chosen the best response.1
Alright. I'll look for them on here! :)
 one year ago

theEricBest ResponseYou've already chosen the best response.1
And C is the answer, as eliassaab said :)
 one year ago
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