Chapter 3 – Pair of Linear Equations in Two Variables

For what value of k, do the equations 3x-y+8 = 0 and 6x – ky = -16 represent coincident lines? do the equations 3x-y+8 = 0 and 6x – ky = -16 represent coincident lines? For what value of k November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , [...]

The pair of equations x= a and y=b graphically represents lines which are The pair of equations x= a and y=b graphically represents lines which are November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Maths , NCERT Class 10 ,

The pair of equations y = 0 and y = -7 has (A) one solution (B) two solutions (C) infinitely many solutions (D) no solution The pair of equations y = 0 and y = -7 has (A) one solution (B) two solutions (C) infinitely many solutions (D) no solution November 22, 2020 Category: Chapter [...]

If a pair of linear equations is consistent, then the lines will be If a pair of linear equations is consistent then the lines will be November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Maths , NCERT Class 10 ,

The pair of equations x + 2y + 5 = 0 and -3x – 6y + 1 = 0 have The pair of equations x + 2y + 5 = 0 and -3x – 6y + 1 = 0 have November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , [...]

Graphically, the pair of equations 6x – 3y + 10 = 0 2x – y + 9 = 0 represents two lines which are Graphically the pair of equations 6x – 3y + 10 = 0 2x – y + 9 = 0 represents two lines which are November 22, 2020 Category: Chapter 3 - [...]

The boat goes 30 km upstream and 44 km downstream in 10 hours. In 13 hours, it can go 40 km upstream and 55 km downstream. Determine the speed of stream and that of the boat in still water. it can go 40 km upstream and 55 km downstream. Determine the speed of stream and [...]

Solve the following pairs of equations by reducing them to a pair of linear equations: x−1/5 ​+ y−2/1​= 2; x − 1/6 ​− y−2/3​ = 1 Solve the following pairs of equations by reducing them to a pair of linear equations: x−1/5 ​+ y−2/1​= 2; x − 1/6 ​− y−2/3​ = 1 October 3, 2020 [...]

Solve the pair of equations: 2/x + 3/y = 13, 5/x – 4/y = – 2 5/x - 4/y = - 2 Solve the pair of equations: 2/x + 3/y = 13 October 3, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Exercise 3.7 , Maths , NCERT Class 10 [...]

For what value of K will the following pair of linear equations have infinitely many solutions? Kx + 3y − (K − 3) = 0 12x + Ky − K = 0 For what value of K will the following pair of linear equations have infinitely many solutions? Kx + 3y − (K − 3) [...]