Answer with explanation:
An algebraic expression having one term is known as a monomial.An algebraic expression having two terms is known as binomial.An algebraic expression having three terms is known as trinomial.Numerical coefficient - Number written before variable in each term.Constant - term with no variable ( only number).
Let's check the given expressions :
![3x^2](/tpl/images/0705/6492/43e84.png)
Type - Monomial ( having one term)
Coefficient of
= 3
Constant =0
![5a^2b^4](/tpl/images/0705/6492/6d40c.png)
Type - Monomial ( having one term)
Coefficient of
= 5
Constant =0
![2x^2 + 3x - 8](/tpl/images/0705/6492/ff384.png)
Type - trinomial ( having 3 terms)
Coefficient of
= 2
Coefficient of ![x=3](/tpl/images/0705/6492/1547e.png)
Constant = -8