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jforeman42
24.07.2021 •
Mathematics
Solve 2x2 – 3x = 12 using the quadratic formula.
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Ответ:
Quadratic Formula: (-b +/- sqrt(b^2 - 4ac)) / 2a
2x^2 - 3x = 12
2x^2 - 3x - 12 = 0
a = 2
b = -3
c = -12
(--3 +/- sqrt( (-3)^2 - 4(2)(-12) )) / 2(2)
3 +/- sqrt( 9 + 96 ) / 4
3 +/- sqrt(105) / 4
Answers:
, ![\frac{3 - \sqrt{105} }{4}](/tpl/images/2428/4836/1bd94.png)
Hope this helps!
Ответ:
The midpoint of the horizontal line segment (-6, 3) (10, 3) is (2, 3)
Step-by-step explanation:
The midpoint formula: (x1+x2)/2 , (y1+y2)/2
(-6+10)/2 , (3+3)/2
4/2 , 6/2
2, 3