hannahwood75 hannahwood75

01-12-2019
Mathematics

contestada

What is the discriminant of the quadratic equation 0 = -х2 + 4х – 2?

Respuesta :

MathPhys MathPhys

01-12-2019

Answer:

8

Step-by-step explanation:

The discriminant of ax² + bx + c = 0 is b² − 4ac.

Here, a = -1, b = 4, and c = -2.

b² − 4ac

(4)² − 4(-1)(-2)

16 − 8

8

Answer Link

kaykay3474 kaykay3474

01-12-2019

It’s 8. Your welcome

Answer Link

Otras preguntas

which term refers to the speed of the music?a. tempob. formc. dynamicsd. rhythm

What was the congressional plan for reconstruction?

4=x^2-7 solve each equation

What is the value of x? Enter your answer in the box. x = °

assume that mrs.giang's car travels 14 miles on each gallon of gas. if she travels to visit her niece who lives 133 miles away, how many gallons of gas will mrs

3.) Which equation represents the line that is parallel to y = 3 and passes through (-2,-8)? A. x = -2 B. x = 3 C. y = -8 D. y = 3x − 2

Solve for x. -(-2–52)+(-2)=18 x=-18/5 x=90 x=18/5 x=-90

A truck accelerates From being stopped to 18 m/s in 5.5 seconds. A bus accelerates from being stopped to 24 m/s in 6.0 seconds. Which vehicle has a higher accel

5. Which of the following is NOT true about typical student alcohol consumption? Most students drink heavily three or more days a week Some students choose not

simplify:2/5(10x-10y)-3/4(12x-24y)A) −5x + 14yB) −5x − 14yC) 5x + 14yD) 5x − 14y