Question 4 of 25 Use the substitution method to solve the system of equations the correct ordered par x+y=5 y=7
1 answer:
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The answer is
If we put 36x^2, then the answer we would get is
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Answer:
1) D.
2) E. The coefficient of is -16.
Step-by-step explanation:
1) A polynomial is an algebraic expression of the form , where
is the grade of the polynomial. In this case, the only equation that satisfies this definition is:
Correct answer: D
2) Let , we proceed to expand the expression by algebraic means:
We see that coefficients for and
are -16 and 0, respectively. Hence, the incorrect answer is E.