Answer:
1.)
Variables- n
Constant- 7
Coefficient- 2
Algebraic Expression- 2n + 7
2.)
Variables- x
Constant- 3
Coefficient- 1
Algebraic Expression- x - 3
3.)
Variables- y
Constant- 7
Coefficient- 3
Algebraic Expression- 3y - 7
4.)
Variables- a
Constant- 16
Coefficient- 3
Algebraic Expression- 3a + 16
5.)
Variables- b
Constant- 9
Coefficient- 2
Algebraic Expression- 2b - 9
Explanation:
Expression is any mathematical statements which consist of numbers, variables, and arithmetic operation between them.
- Variables are the letters in a expression
- Constant is a number that doesn't have a variable beside them( is a specific number on its own)
- Coefficient is when a term is made up of a constant( the number beside the variable)
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