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Mathematics 9 Online
OpenStudy (anonymous):

algebra

OpenStudy (anonymous):

OpenStudy (anonymous):

@Alphabet_Sam

OpenStudy (mathmale):

What have you done so far? How many years AFTER 1985 is 1998?

OpenStudy (anonymous):

The x value is the number of years from 1985, so that would be: x=1998-1985 Then you can use this value and the formula to find y.

OpenStudy (anonymous):

13

OpenStudy (anonymous):

Right so that's your x value. Now plug it in to the formula: y=312.5x+1562.5

OpenStudy (anonymous):

1562.5

OpenStudy (mathmale):

Last step: Explain clearly what this 1562.5 represents.

OpenStudy (anonymous):

312.5

OpenStudy (anonymous):

When you substituted x=13 into y=312.5x+1562.5 you got 1562.5? I would check your work.

OpenStudy (anonymous):

ok

OpenStudy (mathmale):

I'm asking you to explain what that "1562.5" represents. What is it? Please reread the original question.

OpenStudy (anonymous):

that y interceps

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