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Mathematics 15 Online
OpenStudy (anonymous):

Complete the equation of the linear function. y = __x +___

OpenStudy (anonymous):

OpenStudy (anonymous):

Where is the y intercept?

OpenStudy (anonymous):

Your answer should come out to y = (slope)x + (y intercept)

OpenStudy (anonymous):

|dw:1431528571995:dw|

OpenStudy (anonymous):

So 4?

OpenStudy (anonymous):

Yup! Now we need to find the slope. So far we have this: y = (slope)x + 4

OpenStudy (anonymous):

Slope is expressed as\[\frac{ rise }{ run }\] and can be found my the difference of 2 points\[\frac{ y_1-y_2 }{ x_1-x_2 }\]

OpenStudy (anonymous):

To do this we just need to find two points of the line, we know that (0,4) is one and (1,-1) is one.

OpenStudy (anonymous):

-2, -2?

OpenStudy (anonymous):

(0,4) = (x_1,y_1) (1,-1) = (x_2,y_2)

OpenStudy (anonymous):

No it's 4

OpenStudy (anonymous):

You can see howover the course of 1 x the y goes up 4

OpenStudy (anonymous):

4 is your slope so your answer should look like y = 4x + 4

OpenStudy (anonymous):

Ohhh I see. Thanks!!!!

OpenStudy (anonymous):

Also can you check my answer for this. When is the function constant? from x = to x =

OpenStudy (anonymous):

OpenStudy (anonymous):

I got from x = 0 to x = 6

OpenStudy (anonymous):

Nope, when does it stop having the same pattern?

OpenStudy (anonymous):

You can see it flattens out at x=3 onword

OpenStudy (anonymous):

So it would be x=0 to x=3

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