Lindsay882 Lindsay882

03-04-2018
Mathematics

contestada

Show all work. What are the zeros of the function?
f(x) = 2x^2 − 8x − 10

Respuesta :

03-04-2018

(2x² - 8x - 10) ÷ 2 = 0
x² - 4x - 5 = 0
x² + x - 5x - 5 = 0
x(x+1) - 5(x+1) = 0
(x+1)(x-5) = 0
x+1 = 0 or x-5 = 0
x = -1 or x= 5

S = {-1;5}

Answer Link

Otras preguntas

Please answer fast!!! I’m timed! (I’ll mark u brainlest if ur answer is right :p) Hurry!!!!

Whats 1+1x3 Figure it out

1. The perimeter of a rectangular rug is 40 feet. The length is 4 feet less than twice the width. a. Find the length and the width of the rug b. Find the area o

Is the following statement sometimes, always or never true: Compounds can be broken down into elements by physical means.

Define enlightenment in your own words.

The HR manager of a water-bottling company wants to estimate the proportion of employees that are pleased with the cleanliness of the bathrooms. She considers t

34 over 10 as a mixed number

Solve three and two fifths plus three and four sixths. six and six thirtieths seven and two thirtieths seven and six elevenths nine and two thirtieths

how much money would i make in a year working 5 days a week and making 80 dollars a day

What does a standardized system of measurement provide? a. a decrease in uniformity b. an increase in accuracy c. an increase in complications d. a decrease in