Question

3) Find the value of k for which the system of equation 2x + 3y = 5 & 4x + ky = 10
has infinite number of solution.
2
4)|fx = 0, y = b is the solution of the eq" x - y = 2 & x + y = 4, find the values of a
5) Find the discriminant of – x2 + x + = 0.
6) For what value of k , kx(x - 2) + 6 = 0 has equal roots.
7) Solve: V2x2 + 7x + 5v2 = 0
8) Find the 10h term of an A.P 2,7,12, ......
9) Find the common difference of 6, 1, -4,-9, -14, .....
10) A man goes 15m due west & then 8m due north. Find the distance from the starting
u) In an Isosceles AABC, AB=AC=25cm, BC=14cm, then find the altitude from A on
2) Cards each marked with one of the number 4, 5, 6, .......20 are placed in a box &
thoroughly. One card is drawn at random from the box ,what is the probability of
an even prime number?​

Answer 1

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