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Algebraic expression 002 Video Lecture - Class 1
FAQs on Algebraic expression 002 Video Lecture - Class 1
| 1. What is an algebraic expression? |  |
Ans. An algebraic expression is a mathematical expression that consists of variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division. It does not include an equal sign and cannot be solved as it represents a general mathematical statement.
| 2. How do you simplify algebraic expressions? | |
Ans. To simplify an algebraic expression, you combine like terms by adding or subtracting them. Like terms have the same variable(s) raised to the same exponent(s). Additionally, you can apply the distributive property to remove parentheses and combine similar terms. The goal is to simplify the expression as much as possible.
| 3. What are the different types of algebraic expressions? | |
Ans. There are several types of algebraic expressions, including monomials (one term), binomials (two terms), trinomials (three terms), and polynomials (more than three terms). Each of these expressions can be simplified and manipulated using algebraic rules and operations.
| 4. How do you evaluate algebraic expressions? | |
Ans. To evaluate an algebraic expression, you substitute specific values for the variables and then perform the indicated operations. For example, if the expression is 2x + 3y, and x = 4 and y = 5, you would substitute those values into the expression and calculate the result: 2(4) + 3(5) = 8 + 15 = 23.
| 5. What is the difference between an equation and an algebraic expression? | |
Ans. An equation is a statement that shows the equality of two expressions, often with an equal sign. It represents a specific relationship between variables and can be solved to find the values of the variables that satisfy the equation. On the other hand, an algebraic expression is a mathematical phrase that contains variables, constants, and operations, but does not have an equal sign and cannot be solved.
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Nov 23, 2024 Last updated |
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