MCQs
A mathematical sentence which has equal sides separated by an equality sign “=” is called…..
a) function
b) expression
c) equation
Solution:6 – 2 = 4 (note; in an equation both sides of the equation must be same, if one side is not equal to the other side then it is not an equation)
Equation……….
a) has an equals sign
b) has left and right sides
c) are true for some
d) all of these
An expression………….
a) does not have an equal sign
b) are true for all values of the variable
c) has only one sides
d) all of these
Which value is the solution of 2x+1=7?
a) 6
b) 5
c) 4
d) 3
Solution:If we put x= 3
2x+1=7 2(3)+1=7
6+1=7 7=7
Seven less than three times a number is ̶ 22. Find the number.
a) ̶ 3
b) ̶ 5
c) 3
d) 5
