Mathematics Question answer collection & Notes page number 1

1. Choose the correct option and write it : The system of equation a1x+b1y+c1 = 0 and a2x+ b2y+c2 = 0 has a unique solution if - 2021 2. Fill in the blanks : (i) The sum of two polynomial is ________ 2021 3. Write True/False in the following : (i) √5 is irrational number. 2021 4. Match the correct column : (i) sin 0º - (a) sec2 θ 2021 5. Write the answer in one word/sentence of each : (i) Write the area of a circle whose radius is r : 2021 6. Express number 140 as a product of its prime factors. 2021 7. Find the L.C.M. of 8, 9 and 25 using the prime factorisation method. 2021 8. Find a quadratic polynomial, the sum and product of whose zeroes are -3 and 2 respectively. 2021 9. The graphs of y= p(x) are given in figure below for some polynomials p(x). Find the number of zeroes of p(x). 2021 10. Find the distance between the points (2, 3) and (4, 1). 2021