Recent questions tagged pair of linear equations in two variables

+3 votes

1 answer

If a + b + c = 0, then the straight line 3ax + 2by + 6c = 0 passes through the fixed point

asked Apr 7, 2019 in Class 10 by kratos

+2 votes

1 answer

Romila went to a stationery shop and purchased 2 pencils and 3 erasers for Rs 9. Her friend

asked Apr 6, 2019 in Class 12 by kratos

+3 votes

0 answers

Solve the following system of equations: 4/x + 3y = 14; 3/x – 4y = 23

asked Apr 6, 2019 in Class 10 by kratos

+2 votes

1 answer

A sailor goes 8 km downstream in 420 minutes and returns in 1 hour. Find the speed of the sailor in still water and the speed of the current .

asked Apr 6, 2019 in Class 10 by kratos

+1 vote

1 answer

Solve: ax +by =a-b and bx -ay = a + b

asked Apr 5, 2019 in Class 10 by kratos

+3 votes

1 answer

Find the values of α and β for which the following pair of linear equations has infinite number of solutions :2x + 3y = 7 ;

asked Apr 2, 2019 in Mathematics by kratos

+2 votes

1 answer

Solve graphically each of the following systems of linear equations. 2x +y -11; x- y -1 =0

asked Apr 2, 2019 in Class 10 by kratos

+2 votes

1 answer

Akhila went to a fair in her village. She wanted to enjoy rides on the Giant Wheel and play Hoopla (a game

asked Apr 2, 2019 in Class 10 by kratos

+1 vote

1 answer

The present age of a man is 2 years more than five times the age of his son. Two years hence, the man’* age will be 8 years more than

asked Apr 1, 2019 in Class 10 by kratos

+2 votes

1 answer

Solve the systems of equations by the method of cross-multiplication: ax + by = a^2 ; bx + ay = b^2

asked Apr 1, 2019 in Class 10 by kratos

+1 vote

1 answer

Find the solution set for the given pair of equations x + y = 7, 3x – 2y = 11.

asked Apr 1, 2019 in Class 10 by kratos

+2 votes

1 answer

Draw the graph of x + 4 = 0.

asked Apr 1, 2019 in Class 10 by kratos

+1 vote

0 answers

Show graphically the systems of equations is in-consistent (i.e has no solution): 3x – 5y = 20 6x – 10y = – 40

asked Apr 1, 2019 in Class 10 by kratos

+3 votes

0 answers

Draw the graphs of the equations x – y + 1 =0 and 3x + 2y – 12 = 0.

asked Apr 1, 2019 in Mathematics by kratos

+1 vote

1 answer

Determine graphically the coordinates of the vertices of a triangle, the equations of whose sides are: 3x +2y -4 = 0 ; 2x -3y -7 = 0

asked Mar 31, 2019 in Class 10 by kratos

+1 vote

1 answer

The system has unique solution, if

asked Mar 31, 2019 in Class 12 by kratos

+1 vote

1 answer

Imagine a publishing company that markets both books and audio-cassette versions of its works. Create a class

asked Mar 29, 2019 in Class 12 by kratos

+1 vote

1 answer

A man’* age is three times that of his son, and in twelve years he will be twice as old as his son would be.

asked Mar 29, 2019 in Class 10 by kratos

+2 votes

1 answer

Solve for x and y: bx/a - ay/b + a+ b = 0 bx -ay +2ab = 0

asked Mar 28, 2019 in Class 10 by kratos

+2 votes

1 answer

Solve the following system of equations: 2/x + 5/y = 1; 60/x + 40/y = 19

asked Mar 28, 2019 in Class 10 by kratos

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