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Mathematics 14 Online
OpenStudy (vera_ewing):

Which system of equations is represented by the graph? https://lss.brainhoney.com/Resource/22181743,AD2,0,C,3,0/Assets/72222_53b5b0fd/0602_g3_q2.jpg

OpenStudy (vera_ewing):

@freckles please help!

OpenStudy (vera_ewing):

@iambatman Please help me!

OpenStudy (vera_ewing):

@Data_LG2 PLease help

OpenStudy (vera_ewing):

@EclipsedStar Can you please help me!

OpenStudy (freckles):

I see a linear function and a graph whose parent graph looks like that of f(x)=1/x

OpenStudy (freckles):

can you find the line?

OpenStudy (freckles):

that is the easier place to start

OpenStudy (freckles):

notice it's y-intercept and the slope

OpenStudy (freckles):

y=slope*x+[y-intercept]

OpenStudy (freckles):

@vera_ewing can you tell me the line's y-intercept?

OpenStudy (freckles):

are we looking at the same graph/

OpenStudy (vera_ewing):

This is the answer right? y= https://lss.brainhoney.com/Resource/22181743,AD2,0,C,3,0/Assets/72222_53b5b0fd/0602_g3_q2b.gif

OpenStudy (freckles):

the y-axis is that vertical line

OpenStudy (freckles):

do you see where the line hits the y-axis?

OpenStudy (vera_ewing):

0,0?

OpenStudy (anonymous):

lol

OpenStudy (vera_ewing):

@freckles

OpenStudy (freckles):

yes that is right

OpenStudy (freckles):

so the y-intercept of the line is 0

OpenStudy (freckles):

\[y=mx+0\] now we need to find the slope of the line

OpenStudy (freckles):

you are given a point on the line (5,5) and (0,0) use this to find the slope

OpenStudy (freckles):

recall slope= \[\frac{y_2-y_1}{x_2-x_1}=\frac{5-0}{5-0}=?\]

OpenStudy (vera_ewing):

1 @freckles

OpenStudy (freckles):

right so we got the easiest part out of the way the line is y=1x+0 or just let's simplify it to y=x

OpenStudy (freckles):

now the hard part the graph whose parent graph looks like y=1/x

OpenStudy (freckles):

\[y=\frac{a}{x-h}+k\]

OpenStudy (freckles):

so first do you notice the vertical asymptote of the other function drawn there

OpenStudy (vera_ewing):

No I don't understand...what would the answer be?

OpenStudy (freckles):

so you see no imaginary vertical line you can draw where your curve gets closer to it but never touches it?

OpenStudy (freckles):

remember y=1/x has vertical asymptote x=0 and horizontal asymptote y=0 |dw:1428007256221:dw| it is because the curve gets closer to the a imaginary vertical line we call x=0 and an imaginary horizontal line we call y=0

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