Which of the following are Pair of Linear Equation in two variables?

9 x + y = 14; 3 x - z = 2

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12 x + 4 y + 3 = 0; 4 x + 4 g + 1 = 0

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x + 7 = 0; 8 a + 2 b = 0

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x + y - 3 = 0; 8 x + 2 y + 9 = 0

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Solution

The correct option is D $x + y - 3 = 0; 8 x + 2 y + 9 = 0$
Two linear equations in same two variables are called pair of linear equation in two variables.

$x + y - 3 = 0 a n d 8 x + 2 y + 9 = 0$
are linear equations in same two variables.

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Similar questions

Q. 2x − y + z = 0
3x + 2y − z = 0
x + 4y + 3z = 0

Which of the following pairs of linear equations is inconsistent?
$1. x + 3 y - 5 = 0, 2 x + y = 0$
$2. 2 x + y = 1, 2 y = 2 - 4 x$
$3. 2 x - y = 2, 2 y - 4 x = 2$

Solve the following pair of linear equations by the elimination method and the substitution method :

(i) x+y=5 and 2x−3y=4
(ii) 3x+4y=10 and 2x−2y=2
(iii) 3x−5y−4=0 and 9x=2y+7
(iv) x2+2y3=−1 and x−y3=3

Q. Solve graphically each of the following systems of linear equations. Also find the coordinates of the points where the lines meet axis of y.

(i) 2x − 5y + 4 = 0,
2x + y − 8 = 0

(ii) 3x + 2y = 12,
5x − 2y = 4

(iii) 2x + y − 11 = 0,
x − y − 1 = 0

(iv) x + 2y − 7 = 0,
2x − y − 4 = 0

(v) 3x + y − 5 = 0,
2x − y − 5 = 0

(vi) 2x − y − 5 = 0,
x − y − 3 = 0

Solve the following system of linear equations, using matrix method

$2 x + y + z = 1, x - 2 y - z = \frac{3}{2}, 3 y - 5 x = 9$

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Which of the following are Pair of Linear Equation in two variables?

The correct option is D x+y−3=0;8x+2y+9=0Two linear equations in same two variables are called pair of linear equation in two variables. x+y−3=0 and 8x+2y+9=0 are linear equations in same two variables.

The correct option is D $x + y - 3 = 0; 8 x + 2 y + 9 = 0$
Two linear equations in same two variables are called pair of linear equation in two variables.

$x + y - 3 = 0 a n d 8 x + 2 y + 9 = 0$
are linear equations in same two variables.