Msharris
Msharris Msharris
  • 03-06-2017
  • Mathematics
contestada

F(x) =2x^2-20x-3
I need help solving this problem

Respuesta :

Аноним Аноним
  • 03-06-2017
y = 2x² - 20x - 3

Δ = b² - 4.a.c
Δ = (-20)² - 4.(2).(-3)
Δ = 400 + 8
Δ = 408

x =  -b +- √Δ/2a
x = 20 +- 2√102/4
x = 10 +- √102/2
Answer Link

Otras preguntas

citations within a paper should contain
What happend on spring in 1940? 2. World war
which of the following statements best describes James audubon's intentions when he painted the wild turkey
which of the following statements is true of the economics choices that consumers make
Benito has 42 orange juice boxes and 36 grape juice boxes. If Benito gives each friend an equal number of each type of juice box, what is the greatest number of
Neo could choose from 3 different pants, 5 different shirts, and 4 sweaters. How many different combinations of 1 pant, 1 shirt and 1 sweater could he choose?
Drugs are substances that cause a change in a person's physical but not mental state.True or Flase
How did racism affect the status of Africans in America?
All the donated computers were shared equally by 5 classrooms. Which expression represents the number of computers each classroom received?
write 56:72 in simplest form