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How do you find the value of an algebraic expression by substituting a number for each variable and simplifying?
Wiki User
∙ 12y ago
The answer to the question is given in the question!If you want to find the value of an algebraic expression, then you need to substitute numerical values for each of the variables in the expression, and then calculate and simplify the result.
Wiki User
∙ 9y ago
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What is an expression with one variable?
3x+2 x is a variable. A variable is a symbol (x, y, etc...) that does not have an assigned value.
How do you graph 1 divided by 4 cos?
0.25
What is the answer to y equals 2 tan 2x?
y = 2*tan(2x) is an equation in two variable. There can be no answer. While x can be made the subject of the formula, that is not an *answer*.
What value of theta?
I'm sorry, but I still need more information to help you. "Theta" is a variable used in various contexts, such as in mathematics, physics, finance, and other fields. Without more information about the specific context in which you are asking for the value of theta, I cannot provide a meaningful answer to your question. Please provide more details about what you are referring to so that I can assist you better.
What is the usual period for sine?
Periodic functions are those functions for which the value of the dependent variable repeats itself for certain values of the dependent variable.example:F(x)=yx is the dependent variable (output of the function)y is the independent variable (input of the function)F(x1)=y1F(x2)=y1As you can see the value of the function is the same for two different values of the dependent variable.The smallest difference between any two dependent variables giving the same value of the function is the period of the function.The periodicity of the usual sine function is 2pi. This is how it works:F(X)=sin(X)sin(x1)=ysin(x2)=sin(x1+2pi)=ysin(x3)=sin(x1+4pi)=yThe smallest difference between any two independent variables (x1 or x2 or x3) is 2pi.This is also evident from the general sine curve (graphical representation). The sine function has a fixed range from -1 to 1 (i.e.,for sin(x)=y, y can only lie between -1 and 1). So, the interval (difference in values of the independent variable) after which the nature of the wave repeats is it's period. Look at the graph and you'll see that the wave replicates after covering 2pi from the current point.
To find the value of an algebraic expression by substituting a number for each variable and simplifying?
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What is the meaning of variable in algebraic expression?
Variable is any letter used in an algebraic expression, and can vary (change form) to be any number, and one variable means the same number in any single algebraic expression. Usually algebra is simplifying the expression or equation until you know what the variable is equal to.
The rules for simplifying an algebraic or numerical expression?
There are a few rules for simplifying an algebraic expression. Specifically, one should combine like terms, and then they should try to isolate the variable by doing the opposite, either multiplication or division.
Can algebraic expression be solved?
Yes, algebraic expressions can be solved, depending on the type of expression and the variable(s) involved. If the expression has a single variable, it can typically be solved for that variable using algebraic techniques such as simplifying, factoring, or isolating the variable. However, if the expression has multiple variables or complex operations, solving it may require more advanced algebraic techniques or numerical methods.
To find the value of an algebraic expression by subsituting a number for each variable and simplifying?
And the question is ...
When can you say that a number is called a solution in algebraic expression?
An algebraic equation or inequality can have a solution, an algebraic expression cannot. If substituting a number in place of a variable results in the equation or inequality being a true statement, then that number is a solution of the equation or inequality.
What is the variable in this algebraic expression 7d plus 2?
The variable is d, in the algebraic expression 7d+2
Can an algebraic expression be solved for the variable?
Of course! that is the objective of the algebraic expression, isn't it?
What Algebraic expressions?
An expression with a variable.
Do algebraic expressions have to have a variable?
Yes. That is the definition of an algebraic expression.
What is a type of expression that contains a variable or variables?
An algebraic expression is a type of expression that contains a variable or variables.
What is an expression that contains at least one variable.?
An algebraic expression is a type of expression that contains a variable or variables.
