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Mathematics 21 Online
OpenStudy (anonymous):

Please Help Me!! Will Medal!! A set of data points has an equation of = -1.5 + 2.5x. What is the residual for the point (4, 7)?

OpenStudy (anonymous):

Is the question asking you to solve -1.5+2.5x ?

OpenStudy (anonymous):

I suppose D: I don't really understand what it's asking. these are the answer choices: A. -1.5 B. 7 C. 8.5 D. 1.5

OpenStudy (anonymous):

ok hold on:)

OpenStudy (anonymous):

Thank you so much

OpenStudy (anonymous):

ok so, The equation is y = 3x-2. The y-intercept is -2 and the x-intercept is 2/3.

OpenStudy (anonymous):

D: How?

OpenStudy (anonymous):

you need work to ?

OpenStudy (anonymous):

No but I don't understand how to get the answer. That eqt. does not spit out any of the choices

OpenStudy (anonymous):

Wait I forgot about the choices, what were your choices? sorry

OpenStudy (anonymous):

A. -1.5 B. 7 C. 8.5 D. 1.5

OpenStudy (anonymous):

ok so we add what i said previously which is c. 8.5

OpenStudy (anonymous):

That wasn't right D: D: D:

OpenStudy (anonymous):

Thanks for trying anyway. I appreciate it.

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