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Mathematics 21 Online
OpenStudy (anonymous):

Which is the graph of y=5/4x-3

OpenStudy (anonymous):

OpenStudy (anonymous):

When x = 0 y=-3 so graph starts at -3 Now the slope of this equation is 5/4 so for every point we rise up by 5 we have to run to positive x axis 4 units.

OpenStudy (anonymous):

Definitely can't A because when y = (-3+5) x = 6?(graph was cut off then)

OpenStudy (anonymous):

is it C?

OpenStudy (anonymous):

What makes you say that can you tell me?

OpenStudy (anonymous):

oh wait i see what i did wrong

OpenStudy (anonymous):

The starting point has to be (0,-3) remember because when x is 0 y = -3

OpenStudy (anonymous):

Yay so what do you think it is?

OpenStudy (anonymous):

so does that mean y is gonna be 3 less then x?

OpenStudy (coconutjj):

y= mx+b, b is the y intercept which is -3 in this case, this leaves us with choices A and B. Set y = 0 to find x int. x int= 2.4. The only reasonable answer is B

OpenStudy (anonymous):

Yes you could think of it like that.

OpenStudy (anonymous):

so would it be B?

OpenStudy (anonymous):

Yes.

OpenStudy (coconutjj):

YES!

OpenStudy (anonymous):

Thank y'all

OpenStudy (anonymous):

Good job! :) I hope it made sense to you.

OpenStudy (anonymous):

If not let me know what confuses you.

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