If (2, -1) is a point on the graph of 3x - y - k = 0, then the value of k is
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1
Answer:
3x - y - k = 0,
(x,y)=(2,-1)
3*2-(-1)-k=0
6+1-k=0
7-k=0
k=7
Step-by-step explanation:
Answered by
0
Answer:
(x,y) = (2,-1)
⇒ here, x = 2
y = -1
so let's substitute,
3x - y - k = 0
3 × 2 - (-1) - k = 0
6 + 1 - k = 0
7 - k = 0
- k = -7
k = 7
↔ hope it helps ya' :)
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