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AssignmentMultiple Choice

Addition and Subtraction of Polynomials

Question 2 • [INMT3] Integrated Math 3 Sem 1 (26-27)

Anna subtracted (7n2 – 5n + 6) from (5n2 + 4n – 9) as shown below.What error did Anna make?

Question illustration
Answer
A
She did not align like terms correctly.
B
She forgot to use the additive inverse of (5n2 + 4n – 9).
C
She made a mistake when finding the additive inverse of (7n2 – 5n + 6).
Anna subtracted (7n2 – 5n + 6) from (5n2 + 4n –…