Posted by Anonymous on Monday, April 30, 2012 at 5:34pm.
What is the slope of the line described by the equation below?
y  9 = 2(x  8)

math  visoth, Monday, April 30, 2012 at 5:42pm
first put it in slope intercept form
y=mx +b
m is the slope and b will give you the y intercept
y9 = 2(x8)
multiply everyting in the parenthesis by 2
y9= 2x + 16
and then plus 9 from both side
y= 2x + 25
your slope is 2

math  Reiny, Monday, April 30, 2012 at 5:48pm
the equation is in the form
y  y1 = m(x  x1) where (x1, y1) is a point and m is the slope.
By the "justlookingat it" principle, the slope is 2
(and a point on it is (8,9) )
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