Please give me correct answer please please
Answers
Answer:
1. Solve the following simultaneous equation using Cramer’s rule.
X+2y=-1 ; 2x-3y=12
2. Solve the following quadratic equations by factorisation.
5m2= 22m+15
3. Find how many three digit natural numbers are divisible by 5.
Question 2 A) Choose the correct alternative 4 Marks
1. To solve x+y =3 ;3x-2y-4=0 by determinant method find D.
a) 5 b) 1 c) -5 d) -1
2. Out of following equations which one is not a quadratic equation?
a) X
2+4x= 11+x2
b) x2= 4x
b) 5x2= 90 d) 2x-x
2= x2+5
3. For √2 x
2
-5x+2 = 0 find the value of the discriminant.
a) -5 b) 17
b) √2 d) 2√2-5
4. For a given A. P t7=4, d=-4 then a =-------
a) 6 b) 7
b) 20 d) 28
B) Solve the following equation (Any Two) 4 Marks .
1. Solve the following simultaneous equation
X+7y=10
2. Solve using formula
X
2
-3x-2 =0
3. 11,8,5,2,………in this A.P which term is number -151.
Question 3 A) Complete the following activities (Any Two) 4 Marks
1. 5x+3y=9 -------- 1
2. 2x-3y= 12--------2
Answer:
from which school?? it is a) DP/BL=DC/PL