Posted by jacky on Saturday, March 31, 2007 at 3:37am.
Is this correct or wrong?
Find the slope of the line passing through the points(-1, -1)and(-1, 2). Write the equation of the line.
For this one I KEEP GETTING
Y= - (3)/(2)x-2.5
Find the y-intecept and slope of
Slope is: - (9)/(8)
The equation of a straight line is given by
In your example
substitute and find the slope
In the second part the general equation of a straight line is given by
y=mx+c where m=slope and c=intercept.
you need to compare the equation given with the general equation, but to do that they need to be in the same form
but 7x+9y=72 is not in this form
To get you started subtract 7x from each side:
but this is still not in the correct form so you still need to rearrange it.
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