Shena123456 Shena123456

06-08-2014
Mathematics

Answered

please help with the multiple choice:
What are the x-intercepts of a rough sketch of f(x)=8x3−2x ?

A The x-intercepts are 0, 4 and -4
B The x-intercepts are 0, 1/4 and -1/4
C The x-intercepts are 1/4 and -1/4 T
D he x-intercepts are 4 and -4

Answer :

Everest2017 Everest2017

06-08-2014

8 x³ - 2x = 0
2x (4 x² - 1 ) = 0
2 x (2x + 1) ( 2x - 1) = 0
x = 0 or x = -1/2 or x = 1/2

Answer Link

Other Questions

Why did armor need to be heavy?

What is the answer!!! 35.00 for a jacket. 10% discount 5% sales tax whats the final cost? PLEASE HELP ME

the price with tip is $46 and the percent tip is 15% what is the total bill before the tip

Find the mean of this set of numbers. 9, –6, –8, 11, –4, 10 A. 12 B. 8 C. 2 D. 48

Jerusalem (what started there)

The seat of the Japanese Emperors moved from Kyoto to Edo A. immediately after Edo was renamed Tokyo. B. under the Meiji Emperor. C. when Shinto became Japan

halogens combine with most metals to form _ such as _

60% of a number is 90 what is 50%of the same number

The pair of points( 6 ,y) and (10, -1) lie on a line with slope 1/4. What is the value of y?

How does a plant benefit from having a cell wall around the cell membrane?