Which of the following linear equation has a solution 1-2 - i x-1-2-2-y-4i i-3 x-5-y

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Standard IX

Mathematics

Natural Numbers

Which of the ...

Question

Which of the following linear equation has a solution(1, 2) ?

Only (i)

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Only (ii)

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Both (i) and (ii)

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Neither (i) nor (ii)

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Solution

The correct option is C
Both (i) and (ii)

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Similar questions

Q. The system of linear equations

3 x + y - z = 2, x - z = 1

and

2 x + 2 y + a z = 5

has unique solution when

Draw the graph of each of the following linear equations in two variables:

$(i) x + y = 4$ $(i i) x - y = 2$ $(i i i) - x + y = 6$

$(i v) y = 2 x$ $(v) 3 x + 5 y = 15$ (vi) $\frac{x}{2} - \frac{y}{3} = 2$

(vii) $\frac{x - 2}{3} = y - 3$ $(v i i i) 2 y = - x + 1$

Which of the following pairs of linear equations are consistent/inconsistent?
(i) x + 3y – 5 = 0, 2x + y = 0
(ii) 2x + y = 1, 2y = 2 – 4x
(iii) 2x – y = 2, 2y – 4x = 2

Q. Determine, by drawing graphs, whether the following system of linear equations has a unique solution or not :

(i) 2x − 3y = 6, x + y = 1
(ii) 2y = 4x − 6, 2x = y + 3

Q. Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solutions.
(i)

x - 3 y - 3 = 0; 3 x - 9 y - 2 = 0

(ii)

2 x + y = 5; 3 x + 2 y = 8

(iii)

3 x - 5 y = 20; 6 x - 10 y = 40

(iv)

x - 3 y - 7 = 0; 3 x - 3 y - 15 = 0

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Which of the following linear equation has a solution(1, 2) ?

The correct option is C Both (i) and (ii)

The correct option is C
Both (i) and (ii)