Ask a New Question
Search
Find the x value so that the line through the points (x,-9) and (0,1) has a slope of -4.
1 answer
[ 1 - (-9) ] / (0 - x) = -4
10 = 4 x
x = 10/4 = 5/2 = 2.5
=====================
CHECK
10/-2.5 = -4
sure enough
Ask a New Question
or
answer this question
.