Msharris Msharris

03-06-2017
Mathematics

contestada

F(x) =2x^2-20x-3
I need help solving this problem

Respuesta :

Аноним Аноним

03-06-2017

y = 2x² - 20x - 3

Δ = b² - 4.a.c
Δ = (-20)² - 4.(2).(-3)
Δ = 400 + 8
Δ = 408

x = -b +- √Δ/2a
x = 20 +- 2√102/4
x = 10 +- √102/2

Answer Link

Otras preguntas

Identify the vertex, the axis of symmetry, the maximum or minimum value, and the domain and range of the function. f(x)= -(x - 9)2 - 20 Identify the vertex. The

I need an idea for this or walkthrough! Five paragraph essay graphic organizer due tomorrow. Need help ASAP

What was the Harley smoot tariff

What is the domain of the relation? {(-3,4), (0-1), (7,5), (8,8)} Question 1 options: {-3, 7} {-3, 0, 7} {-3, 0, 7, 8} {-1, 4, 5} {-1, 4, 5, 8}

Which situation shows a constant rate of change? A. The number of points scored during a volleyball game and the time played, in minutes. B. The height of an

What are all of the ways in which the following quadrilateral could be identified? a. square b. isosceles trapezoid c. parallelogram d. trapezoid (you may pic

12x1 12x2 12x3 12x4 djdjdjjfjfir

What are some of the basic things about domain and range functions I should know I have midterms this Monday

A population of caribou in a forest grows at a rate of 2% every year. If there are currently 273 caribou, which function represents the number of caribou in the

find the mean proportion to 1 / 16 , 9 /36