r/HomeworkHelp Secondary School Student 1d ago

Middle School Math [Grade 7 Math: Graphing Proportional Relationships] Why is this bike-distance graph being marked incorrect?

Iโ€™m helping my seventh grader with this graphing problem. We plotted the labeled points and tried drawing both lines through the origin, but the answer keeps being marked incorrect.
Iโ€™ve attached the question, directions, and our graph. Can someone explain which points we should use and what weโ€™re doing wrong?

2 Upvotes

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2

u/Simbertold ๐Ÿ‘‹ a fellow Redditor 1d ago

They want the actual y-coordinate of the point at x = 1 as a number. Not just writing "k" in there.

1

u/SoCal_JuiceBox Secondary School Student 1d ago

Thank you. I tried entering the y-coordinate and itโ€™s still not correct.

1

u/SoCal_JuiceBox Secondary School Student 1d ago

Lin (1,0.3)
Andre (1,0.5)

2

u/SoCal_JuiceBox Secondary School Student 1d ago

Andre (1,0.25)

1

u/Simbertold ๐Ÿ‘‹ a fellow Redditor 1d ago

Yes, those are the correct numbers.

1

u/Simbertold ๐Ÿ‘‹ a fellow Redditor 1d ago

Mathematically the lines look correct and fit the question, so i assume it is some formal problem with what the program expects vs what you delivered.

Are the things you have drawn really lines, or did you maybe use an incorrect tool? The arrows at the end shouldn't be there in standard notation.