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Which best describe how to evaluate a variable expression?
To evaluate a variable expression, first substitute the values of the variables with their corresponding numerical values. Next, perform the arithmetic operations in the correct order, following the rules of parentheses, exponents, multiplication and division, and addition and subtraction (PEMDAS/BODMAS). Finally, simplify the expression to obtain the final value.
How do you evaluate a math expression?
The evaluate a algebraic math expression you first must substitute a number for each variable. Then you must perform the operation in the correct order.
How do you evaluate an expression with more than two operation symbol without exponent and parenthesis?
In Evaluating Expression first,replace each letter in the expression with the assigned value. second,perform the operations in the expression using the correct order of operations and the last you got the answer
To carry out math operations in the correct order or to substitute a value for a variable and solve an expression?
You have to use the order of operations. Also known asP E M D A S...Step 1:ParenthesesStep 2:ExponetsStep 3:MultiplyStep 4:DivideStep 5:AddStep 6:Subtract
How do you check if the factors of an expression are correct?
To check if the factors of an expression are correct, you can multiply the factors together and see if you obtain the original expression. Additionally, you can use the method of substitution by plugging in specific values for the variable to verify if both the original expression and the product of the factors yield the same result. If both methods confirm the original expression, the factors are likely correct.
What is the correct way to rewrite the following sentence and substitute the underlined portion with an expression using tener?
To provide a correct rewrite of the sentence, I would need the specific sentence with the underlined portion you want to substitute. Please share that, and I'll be happy to help!
Why mathematicians had to agree on an order of operations to be used to simplify a numerical expression?
It has nothing to do with agreement or negotiation. There's only one order of operations that leads to the correct outcome.
What is the definition of algebraic expression-?
Here is the correct defenition: Algebraic Expression is an expression which is obtained by performing a finite number of the following operations on symbols representing numbers: addition, subtraction, multiplication, division, raising to a power.
When writing an algebraic expression do you write the coefficients with the highest value first example 7x plus 3y or is 3y plus 7x also correct?
It is correct to write it any way you like. However, when dealing with equations it is usual to give the dependent variable (usually y) first; if it is unknown which variable is the dependent one (or for any general expression), they are usually written in alphabetical order.
Which is the right to say substitute oil for butter or substitute oil with butter?
Both are correct, you can say substitute for or substitute with.
What Order of operations is defined as?
The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression. We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
How do you match the expression with its name?
To match an expression with its name, first identify the components and structure of the expression, such as variables, constants, and operations involved. Then, compare these elements to known mathematical expressions or terminology. Finally, use context clues or definitions to ensure the correct association, confirming that the characteristics of the expression align with its formal name.
