Translating phrases into algebraic expressions.

• Nov 13th 2010, 04:09 PM
bdubb
Translating phrases into algebraic expressions.
Attachment 19694

7. Three times n. 3N
8. Two times D plus four. 2D+4
9. The Difference Between two times n and five. I really don't know :s I know its Subtraction..
10. The product of n and a number three less than n. I know its multiplication.

Help!
• Nov 13th 2010, 04:31 PM
Prove It
9. Two times $\displaystyle n$ is $\displaystyle 2n$. What would be the difference between this and five?

10. Three less than $\displaystyle n$ is $\displaystyle n - 3$. What would be the product of $\displaystyle n$ and this?
• Nov 13th 2010, 04:44 PM
bdubb
Quote:

Originally Posted by Prove It
9. Two times $\displaystyle n$ is $\displaystyle 2n$. What would be the difference between this and five?

10. Three less than $\displaystyle n$ is $\displaystyle n - 3$. What would be the product of $\displaystyle n$ and this?

9. 2n-5 ?
10. I don't understand :s
• Nov 13th 2010, 10:39 PM
annamae1023
9. 2n-5
10. n(n-3)