3x² = 2x + 4
3x² - 2x - 4 = 0
We can use the Quadratic Formula to solve this
The equation is written in standard form (ax² + bx + c = 0)
a = 3, b = -2, c = -4
If you plug these values into the Quadratic Formula, you should be able to determine the roots of this quadratic function
Michael A.
tutor
The Quadratic Formula says x = -b + √(b² - 4ac)
______________
2a
We have x = 2 + √(4 - 4(-12))
_______________ = 2 + √52
6 ________
6
= 2 + 2√13
________
6
= 1 + √13
_______
3
All you have to do now is find each of these roots to the nearest tenth. Note: √13 = 3.6 to the nearest tenth
Report
02/13/17
Hailey C.
02/13/17