Finding Value of an Expression
Finding The Value of an Expression
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
| Right Option : C | |||
| View Explanation | |||
What is the value of the expression, 2x-y+4, if x=0 and y=3? | |||
| Right Option : B | |||
| View Explanation | |||
Find the values of (p-3q) (3p-q) for p=2, q=3 | |||
| Right Option : B | |||
| View Explanation | |||
Students / Parents Reviews [10]
Abhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
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Manish Kumar
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Eshan Arora
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Yatharthi Sharma
10thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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8thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
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7thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
