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Algebra 19 Online
OpenStudy (zuha):

Find the slope of the line Choose the correct answer: 5 -5 1/5 -1/5

Nnesha (nnesha):

where is line ??

OpenStudy (zuha):

ops I thought i did add the attachment, weit

Nnesha (nnesha):

okay :)

OpenStudy (zuha):

Here it is

Nnesha (nnesha):

slope is rise over run first see if line is increasing or decreasing ??

OpenStudy (zuha):

increasing

Nnesha (nnesha):

then slope should be positive if line decreasing then slope negative

Nnesha (nnesha):

so cancel out two answer choices

OpenStudy (zuha):

ok

OpenStudy (zuha):

I though I should use the formula y2-y1/x2-x1

Nnesha (nnesha):

u can

OpenStudy (zuha):

so you mean I should cancel choices with -ve answers

Nnesha (nnesha):

find two points and plug that into formula

OpenStudy (zuha):

I tried the formula but was not getting any answer from the choices :(

Nnesha (nnesha):

but you know line is increasing so it should be positive now see how many step is going up and how many step is going right side

OpenStudy (zuha):

ok

OpenStudy (zuha):

3 steps up and 6 steps right

Nnesha (nnesha):

your line is crossing where is red dot

OpenStudy (zuha):

yes

OpenStudy (zuha):

then

Nnesha (nnesha):

here line make triangle now see how many step it is going up and then right

OpenStudy (zuha):

1 up and 5 right

OpenStudy (zuha):

so the answer is 1/5

Nnesha (nnesha):

yes so rise /run

Nnesha (nnesha):

yes

OpenStudy (zuha):

ok got it thanks

Nnesha (nnesha):

my pleasure

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