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Mathematics 9 Online
OpenStudy (lisa2345):

NEED HELP WITH THESE 2 SLOPE QUESTIONS

OpenStudy (lisa2345):

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (lisa2345):

not really

OpenStudy (skullpatrol):

Recall the formula for the slope of a line: $$\Huge slope=\dfrac{y_2 - y_1}{x_2 - x_1}$$

OpenStudy (skullpatrol):

Have you seen that^ formula before?

OpenStudy (lisa2345):

so for the top its 5^2 - 7^2

OpenStudy (skullpatrol):

Nope

OpenStudy (lisa2345):

and bottom 4^2 - 0^2

OpenStudy (skullpatrol):

the "2" are read as "sub 2" they are NOT exponents

OpenStudy (skullpatrol):

let's graph the points and label each point as "1" and "2"

OpenStudy (lisa2345):

so its what I said without the 2

OpenStudy (lisa2345):

|dw:1464268271212:dw|

OpenStudy (skullpatrol):

yes

OpenStudy (lisa2345):

I subtract now?

OpenStudy (skullpatrol):

what happened?

OpenStudy (skullpatrol):

I keep losing my connection to this site :(

OpenStudy (lisa2345):

|dw:1464268646894:dw|

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