Q. 1. Which one of the following options is true, and why? y=3x+5 has (i) A unique solution, (ii) Only two solutions, (iii) Infinitely many solutions
Q. 2. Write four solutions for each of the following equations; (i) 2x+y=7, (ii) πx+y=9, (iii) x=4y
Q. 3. Check which of the following are solutions of the equation x-2y=4 and which are not; (i) (0, 2), (ii) (2, 0), (iii) (4, 0), (iv) (root under 2, 4 times root under 2), (v) (1, 1)
Q. 4. Find the value of k, if x=2, y=1 is a solution of the equation 2x+3y=k
