Always remember, in a polynomial with two different variables, you have to check each variable for their exponent. The largest of the exponents will always be the degree.
In your case,
y has a degree of 1 meanwhile;
x⁴ has a degree of 4
Therefore, the polynomial has a degree of 4 (fourth degree)
Cubic (third degree) polynomial with four terms
The largest exponent in this function is to the 3
*Note*: Do not look at the leading term if it is not in the standard form
Sine the way to determine the degree of a polynomial is by looking at it's largest exponent, it should be the the third degree (The other way to call it is cubic)
1. Quadratic or 2nd degree.
2. Cubic or 3rd degree.
3. Cubic or 3rd degree.
4. Not a polynomial.
5. Quartic or 4th degree.
A thread ; I think this is right
1. (8 + x) + (8 - x) - (8 + x)
2.(x + 9)(x + 9) + (x - 9)(x - 9)
3. 4(x⁴ + 4x²) -4(x⁴+4x²)
4. 2x - ...
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