nijanicole164
24.06.2019 •
Mathematics
What are the roots, in simplest form, of the equation 4x2 + 98= 0
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Ответ:
Step-by-step explanation:
4x² + 98 = 0
2x² + 49 = 0
2x² = -49
x² = -49/2
x = ±√(-49/2)
x = ±7i√(1/2)
x = (±7i√2) / 2
Ответ:
x = ±√ 24.500 = ± 4.94975
Step-by-step explanation:
: (A+B) • (A-B) =
A2 - AB + BA - B2 =
A2 - AB + AB - B2 =
A2 - B2
Ответ:
Trip up: 20 ft.
free fall: -16t^2 +288
Step-by-step explanation: