ciarajaracz ciarajaracz
  • 02-04-2020
  • Mathematics
contestada

What is the discriminant of the quadratic equation – 4x2 + 5x – 9 = 0?

Respuesta :

kchubby123
kchubby123 kchubby123
  • 02-04-2020

Answer:

-119

Step-by-step explanation:

a=-4 b=5 c=-9

D=b^2-4ac

=5^2-4(-4)(-9)

=25-144

=-119

Answer Link

Otras preguntas

Which phrase is not the central idea of The Deserted Village? a. the destruction of self-reliance b. the destruction of innocence c. the destructiveness of gree
Scientists must be impartial and not base their conclusions on ____. a. opinions c. models b. evidence d. experiments
Which term defines the amount that a solute can dissolve into a solution? A. solute level B. solution level C. solubility level D. saturation level
__________ and the other vaulters have been training for months. Which case type pronoun is required to complete the sentence? a. nominative b. possessive c. ob
Which of the following is not a form that democratic governments take? a. mixed democracies c. parliamentary government b. consolidated democracies d. Japan
Classify the following change as physical or chemical: A match lights when struck. A. Physical change B. Chemical change
Is the formation of rust on an iron nail a chemical change or a physical change? Explain your answer.
Deciduous forests can only be found in North America. a. True b. False
Why passage is important to theme?
a baseball glove was on sale for 5/6 of the original price. if the original price was $90 what was the sale price