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Mathematics 16 Online
OpenStudy (anonymous):

8y+3x=24

OpenStudy (anonymous):

what is the question?

OpenStudy (anonymous):

Not enough info

OpenStudy (anonymous):

y intercept

OpenStudy (anonymous):

et x=0 and solve for y: 8y+3(0)=24 8y=24 y=3 (this is the y-intercept) the graph intersects they-axis at the point (0,3)

OpenStudy (anonymous):

now i have a typo in the first line "et" should read "let" hahahah...

OpenStudy (anonymous):

every point on the y-axis has x-coordinate 0, so that's why we let x=0 and solve for y when looking for y-ints

OpenStudy (anonymous):

thank u so much

OpenStudy (anonymous):

np

OpenStudy (anonymous):

-5y+2=-7x

OpenStudy (anonymous):

y-int?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

y-int: let x=0 and solve for y -5y+2=-7x -5y+2=-7(0) -5y+2=0 2=5y 2/5=y (this is the y-int) some teachers want it written as an ordered pair, i.e., the point (0, 2/5) the point where the graph crosses the y-axis

OpenStudy (anonymous):

y-int?

OpenStudy (anonymous):

thank u

OpenStudy (anonymous):

-4-2y=10x

OpenStudy (anonymous):

-4-2y=10x

OpenStudy (anonymous):

y-int: let x=0 and solve for y -4-2y=10(0) -4-2y=0 -2y=4 y=-2 is the y-int; or as an ordered pair (0, -2)

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