Poptart89999 Poptart89999

13-04-2022
Mathematics

contestada

What is the discriminant of the quadratic equation 7x2 – 9x – 9=0?

A)171

B)333

C)-333

D)-171

Respuesta :

amla21337 amla21337

13-04-2022

Answer B
I hope that I helped ;D

Ver imagen amla21337

Answer Link

Аноним Аноним

13-04-2022

Answer:

B) 333.

Step-by-step explanation:

The discriminant of ax^2 + bx + c = 0

is b^2 - 4ac

So here we have:

(-9)^2 - 4*7*-9

= 81 + 252

= 333.

Answer Link

Otras preguntas

What feature of King James II most worried British nobles and members of Parliament when he became their king?

In chronological order, list the key battles of the Mexican-American war.

Andrew is going on a weekend camping trip. He has 3 7/8 gallons of water. How much water might he use on Saturday? How much would be left for Sunday? PLEASE HEL

the victim of a vehicle accident cannot feel his or her legs. What type of injury is likely? a) spinal trauma b) a coma c) meningitis d) a seizure

What feature of King James II most worried British nobles and members of Parliament when he became their king?

How do you graph y+3=0? On a graph like this

Fluency includes emotion, pace, and a. rhyme. b. pitch. c. rhythm. d. volume.

6 times 3\4 times 4 equals?

write a real world situation that can be represented by 15 + c = 17.50. Then solve the equation and describe what your answer represents for the problem situati

Solve the equation by finding square roots. x^2-16=0