mia17766 mia17766
  • 02-01-2019
  • Mathematics
contestada

I need help with #5 as well thank you

I need help with 5 as well thank you class=

Respuesta :

mathecoach
mathecoach mathecoach
  • 02-01-2019

Answer:

Answer (4)

Step-by-step explanation:

2x^2 - x - 10 = 0

x^2 - 1/2*x - 5 = 0

x = 1/4 ± √(1/16 + 80/16) = 1/4 ± √(81/16) = 1/4 ± 9/4

x1 = -8/4 = -2 or x2 = 10/4 = 2.5

Answer (4)


Answer Link

Otras preguntas

Substitution how do u do it??
The discovery of gold in Transvaal contributed to the start of _____?the Anglo-Boer WarWorld War IIWorld War Ithe Peloponnesian War
how do you now 11/33 is a simplest form
2 friends want to equally share 4/3 feet of rope.What length of rope should ea friend get?
What is the property, transformation, or simplification used in each step of this problem?    x-7=34
Explain why the railroads were not built in a straight line from east to west.
What does imagery mean
Type of picture Paul Revere made of the Boston massacre?
How did the alliances that formed in Europe after world war 2 form an "iron curtain" as described by Winston Churchill in a 1946 speech?
What's another name for vital signs?