finkemason finkemason
  • 25-07-2017
  • Mathematics
contestada

What is the discriminant of 3x^2-10x=-2?

Respuesta :

trombonebookworm
trombonebookworm trombonebookworm
  • 25-07-2017
There is a formula to find the discrimination of any equation.

When the equation is ax^2+bx+c=0, the discrimination is b^2-4ac.

So, in this case
a=3
b=-10
c=2

(-10)(-10)-4(3)(2)=100-24=66

So, the discriminant is 66.
Answer Link

Otras preguntas

Why can't you change the subscripts in a formula in order to balance a chemical equation?
Explain how can you use the Associative Property to evaluate (7*50)*4.
An object has a weight of 5.10 Newtons (N) at sea level, where the acceleration due to gravity is 9.81 m/s2. What is the acceleration due to gravity on the obje
Nathan correctly answered 17 of the 20 questions on the test. What percent of the question did Nathan answer correctly?
Nathan correctly answered 17 of the 20 questions on the test. What percent of the question did Nathan answer correctly?
Why did the colonists fought back against the British rule?
Millions of Americans are subjected to drug testing in the workplace.  The tests are not always reliable.  A false positive rate of 5% is considered to be a con
Describe the typical movement of ciliates.
How is a plateau similar to a plain?
How is a plateau similar to a plain?