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 name "Pangaea" comes from the combination of two ancient Greek words, pan and gaea, meaning
A baseball stadium offers tickets with different prices, depending on the location of the seats. if it increases the prices of all tickets by $30, what will hap
What is the name of this structure?
PLEASE ANSWER FAST! TODAY IS MY BIRTHDAY AND I'M TIRED! What is the equation of the graphed line? Hint: Determine the slope of the line.
Through how many axes must Odysseus fire his arrow in order to "win"?
An accretion disk may eventually form a
Why do you think it is Important to communicate your results even if your experiment did not go as planned?
who wrote poetics? sophocles aeschylus aristotle plato
John is about to roll a six-sided, fair number cube 60 times. He wants to predict how many times the cube will land on an even number. He makes a prediction of
What does speciallizationof cells mean?