WorksheetsClass 8 Quiz
Total questions: 25
Worksheet time: 29mins
Identify the linear equation in two variables from the given equations
2x = 4x + 3
x - 3y = 6
4x - 4 + 8x = 5
None of the above
-5x = 25
Construct linear equation for the following statement:
Two numbers are in the ratio 5 : 7 and sum of the numbers is 120
5x + 7x = 120
5x - 7x =120
x ⁄ 5 + x ⁄ 7 = 120
None of the above
Write 'True' or 'False'
An algebraic statement becomes an equation when it equals something
FALSE
TRUE
In the expression 3m + 8, the number 3 is called the ____________.
variable
constant
coefficient
answer
Choose the best response: "A solution to an equation is ___________________."
the answer
the last step
whatever Photomath tells me it is.
the value of the variable that makes the equation true.
The degree of equation x2 – 9 = 2x2 is
0
1
2
3
Draw any smiley or emoticon that you like most.
Which of the following equation has x= 2 as it's solution?
7x=21
8x+2=18
9x+3=17
51-7x=7
The perimeter of the rectangle is 40cm. If the length of the rectangle is 12cm, then its breadth will be:
4cm
40cm
8cm
80cm
The degree of x2 – 5x + 2 = x3 is:
2
1
0
3
A linear equation which is one variable in nature, has _ solution(s).
(a)
Which of the following is not a linear equation in one variable?
33y+5 = 0
2x+6y=9
11y=0
3x+5=8
The degree of 3x2 y + 7p5 - 15zyx is__________________.
2
3
5
8
Simplify the expression and evaluate: x(x-3) +2 for x=(-1).
6
-7
-6
-2
Evaluate (3.2x6y3) × (2.1x2y2) when x = 1 and y = 0.5
(a)
882 - 122
(a)
Classify the following polynomial:
12 ab2 + 10 b2a + 1ab2
Monomial
Binomial
Trinomial
None of the above
Simplify: (2x+5)2 – (2x-5)2
4x
x
40x
50x
Find using identity:
103 × 104
67000
20890
10070
10712
Subtract: a(b – 5) from b(5 – a)
ab
5ab-2b-2a
5b
5b-2ab+5a
What should be added to x2+xy+y2 to obtain 2x2+3xy?
x+2xy-y2
x2+2xy-y2
x2 - 2xy + y2
x+2xy-y
State True or False:
(a – b) (a + b) + (b – c) (b + c) + (c – a) (c + a) = 0
TRUE
FALSE
