isabelvictorianunez isabelvictorianunez

23-06-2022
Mathematics

contestada

Solve for x.
Use the quadratic formula.
2x² - 9x + 8 =0

Respuesta :

davisemi6 davisemi6

23-06-2022

Answer:

x = 9/4 + 1/4 √17 or x = 9/4 + −1/4 √17

/ = over

Step-by-step explanation:

a = 2, b=-9, c=8

x = −b±√b2−4ac/2a

x = −(−9)±√(−9)2−4(2)(8)/2(2)

x = 9±√17/4

x = 9/4 + 1/4 √17 or x = 9/4 + −1/4 √17

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