Answer:
1. Polynomial
Standard from - - 7x + 9
According to number of terms - Binomials
According to degree - Linear
Leading term - - 7x
Leading coefficient - -7
Degree - 1
2. Not a Polynomial
3. Polynomial
Standard from - -7x³ + x² - 5xy
According to number of terms - Trinomials
According to degree - Quadratic
Leading term - 7
Leading coefficient - 7y³
Degree - 3
4. Polynomial
Standard form - 9a³ — 3a² + 2a – 5
According to number of terms - Polynomials
According to degree - Quartic
Leading term - 9a³
Leading coefficient - 9
Degree - 3
5. Not a Polynomial
Step-by-step explanation:
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