thakidd4567
23.02.2021 •
Mathematics
Change the phrases to algebraic expressions
1. twice a number
2. 4 times the sum of a number and 7
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Ответ:
C is correct!
Step-by-step explanation:
If the factors are (x – 3) and (x + 1), the solutions are 3 and -1. The solutions are where the parabola cross the x-axis. Therefore, C is correct
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