SOLUTION: I have this question 2x...different answers to pick from...please help me out?? Find the slope of the line passing through the points (�2, 7) and (8, �1). 1st set of answers.

Question 105426: I have this question 2x...different answers to pick from...please help me out??
Find the slope of the line passing through the points (�2, 7) and (8, �1).
1st set of answers...
a.)5/4
b.)-5/4
c.)4/5
d.)-4/5
2nd set of answers...
a.)0
b.)1
c.)-4
d.) Undefined
how is this possible and can it broken down into steps?
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
SOMETIMES THE QUESTION ISN'T CLEAR BECAUSE THE USE OF () ARE NOT USED OFTEN ENOUGH.
EXAMPLE 1/2X CAN BE INTERPRETED AS (1/2)X OR 1/(2X) THESE ARE 2 TOTALLY DIFFERENT TERMS.
MATH IS A PRECISE SCIENCE & THER IS ONLY 1 CORRECT ANSWER HOWEVER THE ANSWER CAN BE PRESENTED IN DIFFERENT FORMS;
EXAMPLE 20%=.2=1/5 ALL ARE THE SAME ANSWER - JUST IN DIFFERENT FORMS.
SLOPE=(Y2-Y1)/(X2-X1)
SLOPE=(-1-7)/(8+2)
SLOPE=-8/10
SLOPE=-4/5 OR ANSWER D).
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