The value of an algebraic expression depends on the values of the variables forming the expression.There are a number of situation in which we need to find the value of an expression, such as when we wish to check whether a particular value of a variable satisfies a given equation or not.
We find values of expressions, also, when we use formulas from geometry and form everyday mathematics.
Illustration: Find the value of the expression x+ 4 when x=2.
Solution: Putting x=2 In x+4,
we get the value of x+4 = 2 + 4 = 6
Illustration: Find the value of the expression 4x - 3 when x= 2
Solution Putting x = 2 In 4x - 3,
We get the value of 4x-3 = 4 X 2 - 3 = 8 - 3 = 5
If t = 10, find the value of . | |||
Right Option : B | |||
View Explanation |
If a = 1,b = -1, find the value of: 3a+3b | |||
Right Option : B | |||
View Explanation |
if x=4 and y=-3, then is | |||
Right Option : A | |||
View Explanation |
I have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Usually we see institutes offering objective based learning which usually causes a lag behind in subjective examinations which is the pattern followed by schools. I think it is really a work of planning to make us students grab the advantages of modes of examination, Objective Subjective and Onli...
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Abhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
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