THE INDIAN SCHOOL KINGDOM OF BAHRAIN.
Class 8 : Mathematics Annual Exam Revision
Ch-2 Linear Equations in One variable
1. The solution of the equation 3x-1= x+3 is ___________.
a) x=1 b) x=3 c) x=2 d) x=0
3
2. What is the value of m in 𝑚 = 7 − 𝑚 ?
4
a) m=4 b) m=1 c) m=7 d) m=3
3. Write the equation from the given options which have solution as y=2.
a) 2y-2 = 3 b) 3y-2 = -2 c) 3y-3 = 3 d) 4y+3 = 3
4. Which of the following is not a linear equation in one variable ?
a) x+5=2 b) 2x+9=4-x c) 3(y-3)=6 d)x+2y=6
Assertion Reason Questions
5 5
5. Assertion(A): The solution of the linear equation = 2 is 2 .
2
Reason(R): The value of the variable which makes LHS equal to RHS in the given equation is
called the solution of the equation.
a) Both A and R are true but R is not the correct explanation of A
b) A is true but R is false
c) Both A and R are true and R is the correct explanation of A
d) A is false but R is true
6. Assertion(A): 2𝒙 + 3= 8 is a linear equation in one variable.
Reason®: Equations in which the highest power of the variable is 1 is a linear equation in
one variable.
, a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
7. Solve the following :
2 25 5
a) 4𝑥 − 3 = +𝑥 b) 3𝑚 + 4(𝑚 − 1) = 2 c) 4𝑥 + 7 = 5(2𝑥 − 4) + 8
3
5𝑦+3 2𝑦−4 2𝑝+1
d) − =5 e) 3𝑝+1 = −3.
4 3
8. Solve and check the result :
𝑥 𝑥
a) 𝑥 − 6 = 4 + 7 b) 4𝑚 − 3 = 4 − (5𝑚 − 4) + 7(𝑚 + 3)
_______________________________________________________________________________
Ch-14 Factorisation
1. Find the common factor of
a) 13pq, 52p2q2 b) pq, 25pr, 50p
2. Factorise: a) x3 + x2 + x + 1
b) a3 +2a – 2a2 - 4
c) pxy + qrxy – pz – qrz
3. Factorise: a) 4x2 – 6xy + 12x
b) x2yz + xy2z + xyz2
4. Factorise: a) 16x2 – 9y2
b) a4 – 81
c) 4x2 – 28xy + 49y2
d) a2 – 3a – 40
e) 25y2 – 40y + 16
f) 4x2 +12xy + 9y2 – 25z2
5. Divide: 9m5 + 12m4 – 6m2 by 3m2
Class 8 : Mathematics Annual Exam Revision
Ch-2 Linear Equations in One variable
1. The solution of the equation 3x-1= x+3 is ___________.
a) x=1 b) x=3 c) x=2 d) x=0
3
2. What is the value of m in 𝑚 = 7 − 𝑚 ?
4
a) m=4 b) m=1 c) m=7 d) m=3
3. Write the equation from the given options which have solution as y=2.
a) 2y-2 = 3 b) 3y-2 = -2 c) 3y-3 = 3 d) 4y+3 = 3
4. Which of the following is not a linear equation in one variable ?
a) x+5=2 b) 2x+9=4-x c) 3(y-3)=6 d)x+2y=6
Assertion Reason Questions
5 5
5. Assertion(A): The solution of the linear equation = 2 is 2 .
2
Reason(R): The value of the variable which makes LHS equal to RHS in the given equation is
called the solution of the equation.
a) Both A and R are true but R is not the correct explanation of A
b) A is true but R is false
c) Both A and R are true and R is the correct explanation of A
d) A is false but R is true
6. Assertion(A): 2𝒙 + 3= 8 is a linear equation in one variable.
Reason®: Equations in which the highest power of the variable is 1 is a linear equation in
one variable.
, a) Both A and R are true and R is the correct explanation of A
b) Both A and R are true but R is not the correct explanation of A
c) A is true but R is false
d) A is false but R is true
7. Solve the following :
2 25 5
a) 4𝑥 − 3 = +𝑥 b) 3𝑚 + 4(𝑚 − 1) = 2 c) 4𝑥 + 7 = 5(2𝑥 − 4) + 8
3
5𝑦+3 2𝑦−4 2𝑝+1
d) − =5 e) 3𝑝+1 = −3.
4 3
8. Solve and check the result :
𝑥 𝑥
a) 𝑥 − 6 = 4 + 7 b) 4𝑚 − 3 = 4 − (5𝑚 − 4) + 7(𝑚 + 3)
_______________________________________________________________________________
Ch-14 Factorisation
1. Find the common factor of
a) 13pq, 52p2q2 b) pq, 25pr, 50p
2. Factorise: a) x3 + x2 + x + 1
b) a3 +2a – 2a2 - 4
c) pxy + qrxy – pz – qrz
3. Factorise: a) 4x2 – 6xy + 12x
b) x2yz + xy2z + xyz2
4. Factorise: a) 16x2 – 9y2
b) a4 – 81
c) 4x2 – 28xy + 49y2
d) a2 – 3a – 40
e) 25y2 – 40y + 16
f) 4x2 +12xy + 9y2 – 25z2
5. Divide: 9m5 + 12m4 – 6m2 by 3m2