Question on: JAMB Mathematics - 2023
The line \(3y + 6x\) = 48 passes through the points A(-2, k) and B(4, 8). Find the value of k.
A
16
B
20
C
8
D
-2
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Correct Option: B
To find the value of \(k\), substitute the coordinates of point A(-2, \(k\)) into the equation \(3y + 6x = 48\):
\[3k + 6(-2) = 48\]
Simplify the equation:
\[3k - 12 = 48\]
Add 12 to both sides:
\[3k = 60\]
Divide both sides by 3:
\[k = 20\]
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