NickWinston8712
21.10.2020 •
Mathematics
(1) The point R is halfway between the -6 and -5 on the number line below and represents the number . (Use the hyphen for negative numbers and write the answer as a decimal, such as -6.4).
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Ответ:
9514 1404 393
y = (x + 7)(x − 7)
Step-by-step explanation:
If 'a' is a zero, then (x -a) is a factor.
If 7 and -7 are zeros, then (x -7) and (x +7) are factors. The appropriate choice is ...
y = (x + 7)(x − 7)