deatheater0918
deatheater0918 deatheater0918
  • 14-09-2016
  • Mathematics
contestada

Use the quadratic formula to solve 4x2 – 8x – 60 = 0.

Respuesta :

juliaxnichole
juliaxnichole juliaxnichole
  • 14-09-2016
i found 2 solutions 
x = 5
x = -3
Answer Link
nicholas2021265
nicholas2021265 nicholas2021265
  • 14-09-2016
[tex]\frac{-b+or-\sqrt{b^2-4ac}}{2a}=\frac{8+or-\sqrt{(-8)^2-4*4*-60}}{2*4}=\frac{8+or-32}{8}=\frac{2+or-8}{2}[/tex]
5 and -3
Answer Link

Otras preguntas

jessica purchased a college textbook for 95.34 her friend lisa purchased a used book for half the price how much did lisa pay for her textbook? plz help
Fashion experts readily understand the power of ______________. shortly after kate middleton married prince william, throngs of soon-to-be-brides scrambled to f
Where would you be more likely to find enslaved African laborers—in the Tidewater or backcountry? Why?
Write the equation of a line that is perpendicular to the given line and that passes through the given point. 4x – 12y = 2; (10, –1)
. The immune system’s B cells produce _____that attach to the surface of pathogens orto the toxins produced by pathogens. antibiotics immunities phagocytes anti
Most of the work in Congress is done in:
Please help due tomorrow show work
Evaluate. 17 + 330 • 20 ÷ 102 ÷ 2 – 14
The equation shows the relationship between x and y: y = −4x + 9 What is the slope of the equation?
__________ can be defined as a negative mood state that is accompanied by bodily symptoms, muscle tension, a sense of unease, and apprehension about future dang