7002546 7002546

14-08-2018
Mathematics

contestada

Find the zeros of polynomial functions and solve polynomials equations.
f(x)=5x^2-30x+40

Respuesta :

briittanypaiige briittanypaiige

14-08-2018

First factor out the 5.
5(x^2-6x+8)
Then factor the smaller polynomial.
5(x-4)(x+2)
Then using zero product law, find the roots/zeros/x-intercepts.
x-4=0
x= 4
And
x+2=0
x= -2

Answer Link

srinidhimarupeddi srinidhimarupeddi

14-08-2018

First factories the polynomials.
After that equate the factors to 0 and find the values of x
In this case it is
x = 4 & x = 2
Then find f(4) & f(2)

Answer Link

Otras preguntas

When the comb jelly, Mnemiopsis leidyi, was introduced into the Black Sea, its population exploded to 500 comb jellies per cubic yard in 1988. The jellies devou

Select "Yes" or "No" to indicate whether the two numerical expressions are equal. Yes No (3−2^2)+5 and 3^2−5 (1/2)^2−1/2 and −0.25 8^2+16÷2 and 80/2 (1/3

Why did the Embargo Act of 1807 divide the American people?

what is a central idea

Determine whether the relation is a function. {(5, 0), (8, 1), (1, 3), (5, 2), (3, 8)}

Which idea is not supported in the Declaration of Independence?

Which economic question is addressed by targeting teenage buyers? For whom to produce? What to produce? Where to produce? How to produce?

when making college visits you may be able to

Before Grant could capture Richmond, he first had to defeat Confederate forces in _____. Fredericksburg Vicksburg Gettysburg Petersburg

Alex was planting a garden. he played 2/5 od the garden with potatoes and 1/8 of the garden with lettuce. what fraction of the garden is planted with potatoes o