SOLUTION: Dear Tutors can you please help me solve the problem below. Thank you A line has a slope of 2 and includes the points (8,7)and (4,p). What is the value of p? p=

Algebra ->  Linear-equations -> SOLUTION: Dear Tutors can you please help me solve the problem below. Thank you A line has a slope of 2 and includes the points (8,7)and (4,p). What is the value of p? p=      Log On


   

Question 1090055: Dear Tutors can you please help me solve the problem below. Thank you
A line has a slope of 2 and includes the points (8,7)and (4,p).

What is the value of p?
p=
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
slope = rise / run = +%28y%5B1%5D-y%5B0%5D%29+%2F+%28x%5B1%5D-x%5B0%5D%29+
+%287+-+p%29+%2F+%288+-+4%29+=+2+
+7++-+p+=+8+
+++-p+=+1+
—
Ans: +highlight%28+p+=+-1+%29
—
Check: (7 - (-1)) / (8 - 4) = 8 / 4 = 2