15. If the point (5,k) lies on the line represented by the equation 2x + y = 9, the value of k is....
1 answer:
Answer:
The answer is C.
Step-by-step explanation:
Given that (5,k) lies on the line that has the equation of 2x + y = 9. So in order to find k, you have to substitute the coordinates into the equation :
Let x = 5,
Let y = k,
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