Algebraic and graphical methods, consistency, applications.
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Q1 · Linear Equations in Two Variables · EASY
The solution of the equations x + y = 7 and x - y = 3 is:
Q2 · Linear Equations in Two Variables · MEDIUM
For what value of k will the equations x + 2y = 5 and 3x + ky = 15 have no solution?
Q3 · Linear Equations in Two Variables · EASY
The pair of equations x + 2y = 5 and 3x + 6y = 15 has:
Q4 · Linear Equations in Two Variables · EASY
The pair of linear equations 2x + 5y = 8 and 4x + 10y = 16 has:
Q5 · Linear Equations in Two Variables · EASY
The pair of equations 2x + 3y = 7 and 4x + 6y = 18 represents two lines that are: