Question

NO NEED TO DEFINE JUST WRITE ANSWERS 1) The decimal expansion of the rational number 33 2².5 will terminate after (a) one decimal place (b) two decimal places (c) three decimal places (d) more than three decimal places 2) The pair of equations x+2y+5=0 and −3x−6y+1=0 have (a) a unique solution (b) exactly two solutions (c) infinitely many solutions (d) no solution 3) The famous Indian mathematician who gave Quadratic formula (a) Pythagoras (b) Thales (c) Gauss (d) Shree Dharacharya. 4) If an event cannot occur, then its probability is (a) 1 (b) 3 4 (c) 1 2 (d) 0 5) If the lines 3x+2ky = 2 and 2x+5y+1 = 0 are parallel then k= (a)− 5 4 (b)2 5 (c)15 4 (d)3 2 Solve the following questions. 6) Find the value of k, if x²+2kx+4=0 has a root x=2. 7) Find the product of the zeroes of the polynomial 2x²-x+3. 8) Write next two terms of A.P. −9,−5,−1, _ _ _ _ _ _ 9) Form a quadratic polynomial the sum and product of whose zeroes are -3 and 4 respectively. 10) If a coin is tossed three times, then how many number are there of possible outcomes?

Answer 1

Answer:

I can answer the 10th one:

The probability is 1/3,2/3,3/3 for heads and 1/3,2/3,3/3 for tails

Answer 2

Answer:

2

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Step-by-step explanation: