Question

1. Complete the given activity 3
4.
2
5 = 3 x
X4
-8
2. Solve the following simultaneous equation using Cramer's rule
x + 2y = -1; 2x - 3y = 12
3. Solve the following simultaneous equation.
99x + 101 y = 499; 101x + 99 y = 501
4. Find the value of discriminant:
2y2 - 5 y + 10 = 0
5. Find K if x = 3 is a root of equation Kx2 - 10 x + 3 = 0
09
3.
Solve any three of the following sub questions.
1. Two numbers differ by 3. The sum of twice the smaller number and thrice the greater
number is 19. Find the numbers.
2. Product of pragati's age 2 years ago and 3 years hence is 84. Find her present age.
3. Solve the following quadratic equation by factorisation
x² + x - 20=0​

Answer 1

Answer:

plz give proper answer .......................xd