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26.05.2020 •
Mathematics
19) A mathematics class is given the following trinomial to factor using the grouping method.
Which of the following students has correctly identify the first step towards factoring this trinomial correctly?
A) Rafael looks for the two numbers which have a product of -10 and the sum of + 11.
B) Alana multiplies the 5 and -10, and look for the two numbers which multiply to -60 and add to -10.
C) Lisa multiplies 6 and -10, and looks for two numbers which multiply to -60 and add to + 11.
D) Chase multiplies 6 and -10, and looks for two numbers which add to -60 and multiply to + 11.
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Ответ:
The correct answer is
C. Lisa multiplies 6 and −10 and looks for two numbers that multiply to −60 and add to 11.
Step-by-step explanation:
Ответ: