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Which is the equation to the line passing through points (2, 7) and (5, 1)?
 one year ago
 one year ago
Which is the equation to the line passing through points (2, 7) and (5, 1)?
 one year ago
 one year ago

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tinaballerinaBest ResponseYou've already chosen the best response.1
y = 2x  8 y =  2x + 9 y = 2x  11 y =  2x + 6
 one year ago

tinaballerinaBest ResponseYou've already chosen the best response.1
those are the answers.
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
do u know how to find slope when 2 points are given ?
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
The slope of the line through points (x1,y1) and (x2,y2) is given by : \(\huge m=\frac{y_1y_2}{x_1x_2}\) now,just put the values and find m.
 one year ago

tinaballerinaBest ResponseYou've already chosen the best response.1
No, im having a difficult time, i think its due to the earlyness. haha
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
\(\huge m=\frac{y_1y_2}{x_1x_2}=\frac{7(1)}{25}=...?\)
 one year ago

KainuiBest ResponseYou've already chosen the best response.0
It might be easier if you have a graphing calculator. Make a line that looks like: y=(2/3)x and then change the slope around a bit to figure it out and see why the slope is rise/run by going to the "trace" option on your calculator and trying things out, like when x=3.
 one year ago

CompassionateBest ResponseYou've already chosen the best response.1
Now use the first points given and the slope. Plug it into the equation: y  y1 = m(x  x1)
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
now take any point, say (5,1) and put it in y  y1 = m(x  x1)
 one year ago

hartnnBest ResponseYou've already chosen the best response.1
x1=5,m=2,y1=1 isolate y
 one year ago

CompassionateBest ResponseYou've already chosen the best response.1
Tina, let me make it easier for you. y  y1 = m(x  x1) y  (1) = 2(x  5) < Solve for y
 one year ago

tinaballerinaBest ResponseYou've already chosen the best response.1
Good lord this is terrible. I feel so confused.
 one year ago

CompassionateBest ResponseYou've already chosen the best response.1
Okay. What are you confused with?
 one year ago

tinaballerinaBest ResponseYou've already chosen the best response.1
Nothing. I think i'm going to skip this! I have to have it done by later tonight. I think im going to rest now haha thanks though:)
 one year ago
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