Question

x = 2 and y = -1 is a solution of the linear equation *

(a) x + 2y = 0

(b) x + 2y = 4

(c) 2x + y = 0

(d) 2x + y = 5

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Answer 1

Answer:

b is the correct answer

Answer 2

Answer:

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Step-by-step explanation:

a. 2 + 2×-1 =0

2-2=0

0=0 , YES

b. 2-2 = 4

0=4 , NO

c. 2x2 + -1 = 0

4-1 = 0

3=0 , NO

d. 2x2 + -1= 5

4-1= 5

3=5 , NO