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stiks02 [169]
3 years ago
10

15. If the point (5,k) lies on the line represented by the equation 2x + y = 9, the value of k is....

Mathematics
1 answer:
guajiro [1.7K]3 years ago
5 0

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 :

2x + y = 9

Let x = 5,

Let y = k,

2(5) + k = 9

10 + k = 9

k = 9 - 10

k =  - 1

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