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

Otras preguntas

Solve for x. -6x+6=-4x-2

HELP PLS…What is the rate of change during the interval: look at picture.

•Interpret image above using one word_ • Discuss your unique one word

Roxanne is writing an email rejecting a customer’s refund claim for a faulty kitchen blender. Which statement makes a good buffer for Roxanne’s email? A. We reg

The vector u has magnitude 6 and direction 330°. If vector v = =-u, then what is the magnitude and direction of vector v? Write your direction in degrees in the

Question 1-3 Find the average rate of change of the function, f (x) = log₂ (4x) on the interval of x = 2 to x = 8.

2. What would be the acceleration of the clown at 5 s? (A) 1.6 m/s2 (B) 8.0 m/s2 (C) 2.0 m/s2 (D) 3.4 m/s2 3. After 12 seconds, how far is the clown from her or

What is the perimeter of the rectangle below?

PLS HELP ME WITH THIS PROBLEM !! THANK YOU!!!!!!! :)

A sample of lead with a mass of 54.3 g is heated to a temperature of 384.4 K and placed in a container of water at 291.2 K. The final temperature of the lead an