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Write the phrase as a variable expression. Use x to represent "a number."The sum of a number and 138?
Iris Garcia
x + 138
Lilkey
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What is the definition for variable?
the def for variable is a letter or symbol used to represent a missing number in an algebrac expression
What is the variable expression to represent the number of pounds in y ounces?
16x
What algebraic expression for the number of muffins that are left what quantity do you need to represent with a variable?
X+6. Variable (x)
What does the variable represent in an addition or subtraction expression?
it is the number you would use to solve the problem
What do you call replacing a variable in an expression by a number?
A variable is a letter that represents a number. An expression that contains at least one variable is called variable expression, also called algebraic expression. A variable expression has one or more terms. A term is a number, a variable, or a product of numbers and variables. For example,3(x^2)y + 2xy + x - 7 is a variable expression, where you have 4 terms.When working with variable expression, you often use the substitution principle:If a = b, then a may be replaced by b in any expression.The set of numbers that a variable may be represent is called replacement set, or domain, of the variable. To evaluate a variable expression, you replace each variable with one of its values and simplify the numerical expression that results.Example: Evaluate the expression 2x - 4y for x = 5 and y = -9.Solution:2x - 4y= 2(5) - 4(-9)= 10 + 36=46
What is an expression that contains a variable a number and at least one operation?
That looks like the description of an EXPRESSION. However, an expression need not have "at least one operation"; a single number, or variable, is a perfectly valid expression.
What is a number that is multiplied by a variable in an expression?
The number is called the coefficient of the variable
What does a variable represent in math?
any number at all
What is the number that is multiplied by the variable in an algebraic expression?
It is the coefficient of the variable
What is to replace a variable with a number or anotherexpression in an expression?
The term for replacing a variable with another value or expression is "substitution."
What is find the numerical variable of an expression?
It is a poorly worded question. Any number in an expression can be a numerical variable.
What is a number sentence with a variable and an equal sign called?
a variable expression
