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The ordered pair (6, 4) is a solution of the linear equation 2x + ky = 8. What is the value of k?
-8
B
-1
What is the Answer

User Godisemo
by
7.4k points

1 Answer

1 vote

Answer:

k = -1

Explanation:

Plug the known values into the linear equation:


2x + ky = 8\\2(6) + k(4) = 8\\12 + 4k = 8\\

Subtract 12 from both sides to isolate 4k:


12 + 4k - 12 = 8 - 12\\4k = -4\\

Divide both sides by 4:


(4k)/(4) = (-4)/(4)

k = -1

Hope this helps!

User Vincet
by
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