cearramarrieor6mo8 cearramarrieor6mo8
  • 15-06-2017
  • Mathematics
contestada

What is the value of b2 - 4ac for the following equation?

x(x + 8) = 9

Respuesta :

katyp02 katyp02
  • 15-06-2017
This is the formula for the top of a quadratic equation so it would be 8^2-4(1)(-9)
Answer Link
hanima
hanima hanima
  • 15-06-2017
x²+8x=9
x²+8x-9=0

b²-4ac
a=1 b=8. c=-9

8²-4(1)(-9)
64-36
28

sorry if I'm wrong m8
Answer Link

Otras preguntas

examples of rational numbers
The sudden partition of India led to violence and chaos.
The United States hotly protested Stalin's actions in Poland, East Germany, and the rest of Eastern Europe as a violation of the "one world" principle of the At
3±i write the quadratic equation with the given roots
Salve by substitution
Some plastics are made from corn. These plastics are biodegradable. This means that plastics made from corn will _______________________ than regular plastic
for which of these scenarios is total internal reflection possible?
En quelle année à ete écrit Antigine
Which does this tissue work with to carry out transpiration? vascular and parenchyma tissue dermal and vascular tissue ground and dermal tissue parenchyma an
how long does it take to become a physical therapist