SOLUTION: Please find the value of 'k' so that the line passes through (-2,k) and (2k,2) and has a slope of -0.25
THANK YOU
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Question 229916: Please find the value of 'k' so that the line passes through (-2,k) and (2k,2) and has a slope of -0.25
THANK YOU
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Please find the value of 'k' so that the line passes through (-2,k) and (2k,2)
and has a slope of -0.25
:
Use the slope formula, m = ; assign values as follows
x1=-2; y1=k
x2=2k; y2=2
m = -.25
:
-.25 =
:
-.25 =
Multiply both sides by (2k+2)
;
-.25(2k + 2) = 2 - k
;
-.5k - .5 = 2 - k
:
-.5k + k = 2 + .5
:
.5k = 2.5
Multiply both sides by 2
k = 5
;
;
See if that works in the slope equation
=
= = -.25
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