tinasidell1972
19.07.2019 •
Mathematics
What are the solutions of 12 – x2 = 0?
o x=273 and x = -213
o x= 3,
and x = -3/2
x = 4/5 and x = -4/3
x = 6 and x = -6
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Ответ:
x = ± 2
Step-by-step explanation:
Given
12 - x² = 0 ( add x² to both sides )
12 = x² or
x² = 12 ( take the square root of both sides )
x = ±
= ±
= ± 2
Ответ:
= 61/4 + 1.5 + 0.15
= 15.25 + 1.65
= 16.90
Thus, the answer is 16.90