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

The movement known as the Enlightenment focused on the idea that A. people needed to make a return to the natural world. B. problems could be solved using human
solve: y=3/5x y= -2/5x 5
what piece of land did france purchase
What is (9^5)^7 simplified?
How does the law of superposition help scientists determine the ages of rocks and fossils?
How do I write -3*4^(2-x) in f(x)=ab^x form?
7ab+6b^2-2a^3how do I do this please help me
can 18/56 be simplified
A topic for a research paper should do what? A. Focus on both sides of an issue. B. Be very broad so that there will be a lot of information available to write
Which laws or rules prevent or reduce injury in the event of a crash? A. Child seat laws B. Signaling rules C. Passing rules D. Impaired-driving law