## Online Course Discussion Forum

### Math challenge II geometry 3.18

Hi, I have a question about 3.18.

The line given by x−42=y−513x−42=y−513 goes through points A=(4,5)A=(4,5) and BB. What is yByB?

This question is ambiguous. Since it's a linear function, then there are infinite other possible points. B could be anything on this line. There is no x or y coordinates given for B so B could by anything on the line

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