For the polynomial 6xy2−5x2y? +9x2 to be a trinomial with a degree of 3 after it has been fully simplified, what is the missing exponent of the y in the second term? 0 1 2 3

  1

Step-by-step explanation:

For the degree to be 3, the total of exponents in any given term must be 3 or less. The term containing the question mark already has an exponent of 2 on the x-variable, so the exponent of the y-variable must be 1 or less. We assume the y-variable would not be written if its exponent were zero (as in the last term), so the exponent of y must be 1.

1

Step-by-step explanation:

1. 3

2. 4

3. 1

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-wfz

answer:   y=2x-3

step-by-step explanation: