Question

Among the following, not a solution of x + y = 5 is
a) (2, 3)
b) (5, -1)
c) (4, 1)
d) (-1, 4)​

Answer 1

Answer:

the solution which does not satisfies this equation x+y=5 is

b and d

Answer 2

Answer:

Option B and D is the correct answer.

Step-by-step explanation:

To check whether a point is a solution of the equation $x + y = 5,$ we substitute the values of x and y into the equation and see if it is true.

a) $(2, 3): 2 + 3 = 5,$ so this is a solution.

b)$(5, -1): 5 + (-1) = 4,$so this is not a solution.

c) $(4, 1): 4 + 1 = 5,$ so this is a solution.

d) $(-1, 4): (-1) + 4 = 3,$ so this is not a solution.

Therefore, the answer is (b) $(5, -1)$because it is the only point that does not satisfy the equation $x + y = 5.$

and (d) $(-1,4)$because it is the only point that does not satisfy the equation $x+y = 5$

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