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Which of the following math statements contain variable(s)? Check all that apply.

A. [tex]\(5 - 5 = 0\)[/tex]
B. [tex]\(11 + x = 19\)[/tex]
C. [tex]\(34 - 6 = 28\)[/tex]
D. [tex]\(? + 8 = 19\)[/tex]


Sagot :

To determine which of the given math statements contain variable(s), let's analyze each statement step by step:

Statement A:
[tex]\[ 5-5=0 \][/tex]
This statement is a basic arithmetic equation involving fixed numbers only. There are no variables present. Therefore, Statement A does not contain any variables.

Statement B:
[tex]\[ 11+x=19 \][/tex]
In this statement, there is a term "x" which is a variable. Variables are symbols that represent unknown values. Therefore, Statement B does contain a variable.

Statement C:
[tex]\[ 34-6=28 \][/tex]
This is another arithmetic equation with only constants and no variable terms. Therefore, Statement C does not contain any variables.

Statement D:
[tex]\[ ?+8=19 \][/tex]
In this statement, the symbol "?" represents an unknown value, which serves the same purpose as a variable. Therefore, Statement D does contain a variable.

Based on the above analysis, the results are as follows:
- Statement A does not contain a variable.
- Statement B does contain a variable.
- Statement C does not contain a variable.
- Statement D does contain a variable.

Hence:
- Statement A: No variable
- Statement B: Contains variable
- Statement C: No variable
- Statement D: Contains variable

The final results are:
- Statement A: [tex]\(\boxed{\text{False}}\)[/tex]
- Statement B: [tex]\(\boxed{\text{True}}\)[/tex]
- Statement C: [tex]\(\boxed{\text{False}}\)[/tex]
- Statement D: [tex]\(\boxed{\text{True}}\)[/tex]