Answer:
The polynomial 2a−4b+7c is a trinomial.
Explanation:
Consider the provided information.
Monomial is a polynomial having only one term.
For example: x²
A binomial is a polynomial having two terms.
For example: 8x²-4x
A trinomial is a polynomial having three terms.
For example: y²+5y-29
Now consider the provided polynomial.
The provided polynomial has 3 terms so it is called a trinomial.