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MaeganR
 3 years ago
Write an equation in pointslope form of the line through the given points. Then write the equation in slopeintercept form.
#11. (4,0), (2,1)
#12. (3,2), (5,3)
#13. (5,1), (3,4)
Thats all they give you.
And YES I do know the Formulas:
Pointslope: yy1=m(xx1)
Slopeintercept: y=mx+b
Slope: m=y2y1/x2x1
MaeganR
 3 years ago
Write an equation in pointslope form of the line through the given points. Then write the equation in slopeintercept form. #11. (4,0), (2,1) #12. (3,2), (5,3) #13. (5,1), (3,4) Thats all they give you. And YES I do know the Formulas: Pointslope: yy1=m(xx1) Slopeintercept: y=mx+b Slope: m=y2y1/x2x1

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chihiroasleaf
 3 years ago
Best ResponseYou've already chosen the best response.0first.., find the slope using the third formula that you write.., then use pointslope formula to find the equation..

Butterfly16
 3 years ago
Best ResponseYou've already chosen the best response.0m=y2y1/x2x1 (4, 0) (2, 1) m=10/24 m=1/6 m=y2y1/x2x1 (3, 2), (5, 3) m=3(2)/5(3) m=5/8 m=y2y1/x2x1 (5, 1) (3, 4) m=41/3(5) m=3/8

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0@Butterfly16 Thats what I've done before, but then people come along, and tell me I'm wrong! ):

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0And why are you finding the slope 3 times?

chihiroasleaf
 3 years ago
Best ResponseYou've already chosen the best response.0because you have three questions and each question have equation... :)

Butterfly16
 3 years ago
Best ResponseYou've already chosen the best response.0yy1=m(xx1) (4,0), (2,1) y0=(1/6)(x4) y0= 0.16x+0.7 y=0.16x+0.7 Yeah, I just finding the slope for all of them. :o)

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0Im so freaking confused.

chihiroasleaf
 3 years ago
Best ResponseYou've already chosen the best response.0now.., using the similar way.., you can solve questions #12 and #13 can you? :)

Butterfly16
 3 years ago
Best ResponseYou've already chosen the best response.0y1 and x1 just stand for the points. So (4, 0) is the point, so y1 is 0 and x1 is 4. That would the equation for the pointslope form for that set of points.

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0but you have to write it in pointslope form?!

Butterfly16
 3 years ago
Best ResponseYou've already chosen the best response.0Then, I guess you can just plug in the numbers into the pointslope form so it'd just be: y0=(1/6)(x4)

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0but don't you have to do 2 equations because of (4,0) and (2,1)

chihiroasleaf
 3 years ago
Best ResponseYou've already chosen the best response.0@Butterfly16 has write it in slopeintercept form slopeintercept form is y = mx+ c , No.., points (4,0) and (2,1) are on the same line.., so just choose one of them..

Butterfly16
 3 years ago
Best ResponseYou've already chosen the best response.0Yip, the line would look like that. :o)

chihiroasleaf
 3 years ago
Best ResponseYou've already chosen the best response.0yup.., it's for the second line... :)

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0yy1=m(xx1) y2=1/2(x3) help

Butterfly16
 3 years ago
Best ResponseYou've already chosen the best response.0The points for number 12?

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0#12. i got that far but I'm stuck now.

Butterfly16
 3 years ago
Best ResponseYou've already chosen the best response.0yy1=m(xx1) (3, 2) (5, 3) y(2)=(5/8)(x(3)) y+2=0.625x1.875 y=0.625x3.875

Butterfly16
 3 years ago
Best ResponseYou've already chosen the best response.0Yup, so for #12 it'd be y=0.625x3.875

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0but thats y=mxb it should be y=mx+b though right?

erdog82
 3 years ago
Best ResponseYou've already chosen the best response.1why are you guys using decimals? fractions are easier

erdog82
 3 years ago
Best ResponseYou've already chosen the best response.1no, it depends, if you are adding a negative, its the same as subtracting, and its okay @MaeganR

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0Can someone show mw how you get #13 now?

erdog82
 3 years ago
Best ResponseYou've already chosen the best response.141/ 35 (or 3+5) so what is that?

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0And @erdog82 what are you doing?

erdog82
 3 years ago
Best ResponseYou've already chosen the best response.1how do you get from y1= 3/8 x5 to y=mx +b form?

erdog82
 3 years ago
Best ResponseYou've already chosen the best response.1its as simple as adding 1 number

MaeganR
 3 years ago
Best ResponseYou've already chosen the best response.0idk. I was trying to do it like @Butterfly16 was doing it.

erdog82
 3 years ago
Best ResponseYou've already chosen the best response.1so you add 1 to 5 and you get..

erdog82
 3 years ago
Best ResponseYou've already chosen the best response.1wasn't that easier than you thought?

erdog82
 3 years ago
Best ResponseYou've already chosen the best response.1Well, it seemed like the other people were kinda confusing..
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