Question

Which is the standard form of linear equations in two variables: y – x = 5 ?
(i) 1.y – 1.x – 5 = 0 (ii) 1.x – 1.y + 5 = 0

(iii) 1.x + 0.y + 5 = 0 (iv) 1.x – 1.y – 5 = 0​

Answer 1

SOLUTION

TO CHOOSE THE CORRECT OPTION

Which is the standard form of linear equations in two variables: y – x = 5

(i) 1.y – 1.x – 5 = 0

(ii) 1.x – 1.y + 5 = 0

(iii) 1.x + 0.y + 5 = 0

(iv) 1.x – 1.y – 5 = 0

CONCEPT TO BE IMPLEMENTED

The standard form of linear equations in two variables is

$\sf{ax + by + c = 0}$

EVALUATION

Here the given equation of the linear equation is

y – x = 5

Which can be rewritten as

$\sf{x - y + 5 = 0}$

$\sf{ \implies \: 1.x -1. y + 5 = 0}$

Which is of the standard form

$\sf{ax + by + c = 0}$

FINAL ANSWER

Hence the correct option is

(ii) 1.x – 1.y + 5 = 0

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Answer 2

Answer:

option c : 1x+0y+5=0

Step-by-step explanation:

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