To describe the English expression "the product of nine and a number minus five," let's break it down step by step:
1. Identify the Variable:
- The phrase "a number" is typically represented by a variable like [tex]\(x\)[/tex], [tex]\(n\)[/tex], or any other letter. Let's denote this number by [tex]\( \text{num} \)[/tex].
2. Product of Nine and a Number:
- When we say "the product of nine and a number," it means we multiply nine by the number. This can be written mathematically as [tex]\( 9 \times \text{num} \)[/tex] or simply [tex]\( 9\text{num} \)[/tex].
3. Minus Five:
- The phrase "minus five" indicates that we subtract five from the product obtained in the previous step.
Now, putting it all together, the entire expression "the product of nine and a number minus five" can be written mathematically as:
[tex]\[ 9 \text{num} - 5 \][/tex]
Thus, the best description of this English expression in mathematical form is:
[tex]\[ 9 \text{num} - 5 \][/tex]
