finkemason
finkemason
25-07-2017
Mathematics
contestada
What is the discriminant of 3x^2-10x=-2?
Respuesta :
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
VER TODAS LAS RESPUESTAS ( 46+ )
Otras preguntas
When two equally dense plates collide, neither will subduct. Rather, they will uplift and form mountains on a _________________________boundary. A. convergent B
How could changing one nucleotide of DNA (one letter) change a protein?
The first term of a geometric sequence is 10,000 and the common ratio is 0.4. What is the 9th term of the sequence? A 0.65536 B 6.5536 C 16.38 D 40.96
Express each expression as a single logarithm.
In the story "A Devoted Son" by Anita Desai, Rakesh, the son, touches his father Varna's feet. What does is mean when he touches his father's feet? How does his
What is the length of a diagonal of a square with a side length of 8? A.4 B. 4 square root of 2 C. 4 square root of 3 D. 8 square root of 2
What was the large movement of pioneers going west across the Oregon Trail called? A the Oxen Train B the Great Escape C the Westward Tide D the Great Emigratio
Half of the product of two consecutive numbers is 105. Which equation can be used to solve for n, the smaller of the two numbers?
How does rule of law affect U.S. government officials and institutions?A. It holds government officials and institutions accountable to the law.B It requires go
Item 12 Which statement best describes the difference between the Hutus and Tutsis in Rwanda? There was no difference between the Tutsi and the Hutu The Tutsi