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Mathematics 21 Online
OpenStudy (anonymous):

Tabatha’s parents bought a new house in Florida for $110,000. After 10 years, the value was $145,000. Using x as the number of years and y as the house value, graph the two points. Part 1: [2 points] Describe the slope of the line which connects the two points. Part 2: [3 points] How can your graph be used to predict the value of the house in 20 years? Part 3: [2 points] What is the projected house value in 20 years?

OpenStudy (anonymous):

I have 1 alright. But I can't get 2 or 3.

OpenStudy (jazzyfa30):

have you plotted ur point yet

OpenStudy (anonymous):

Yes

OpenStudy (jazzyfa30):

ok an u draw the graph wqith it posted so i can help u

OpenStudy (anonymous):

I am not sure how to draw a graph on here. D:

OpenStudy (jazzyfa30):

go to draw and draw it on there thn plot ur points

OpenStudy (anonymous):

|dw:1373493325934:dw| It is not that good

OpenStudy (jazzyfa30):

yes

OpenStudy (jazzyfa30):

ok so we know that a line that goes up is positive but a line that goes down is negative

OpenStudy (jazzyfa30):

|dw:1373493555742:dw|

OpenStudy (anonymous):

Yep

OpenStudy (jazzyfa30):

so if we look at ur line it is a _______________ slope

OpenStudy (anonymous):

Positive

OpenStudy (jazzyfa30):

PERFECT

OpenStudy (anonymous):

So if we keep drawing the straight line, until the 20 mark. It should be 180,000

OpenStudy (jazzyfa30):

YES

OpenStudy (anonymous):

Okay. That would also be the answers for 2 and 3?

OpenStudy (jazzyfa30):

YES IT SHOULD BE

OpenStudy (anonymous):

Thanks so much!! :D

OpenStudy (jazzyfa30):

welcum

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