08-05-2016
Mathematics

contestada

f (a)=2a^2-16a+32
For which 'a' is this equation 0?

Respuesta :

apologiabiology apologiabiology

08-05-2016

if xy=0 assume that at leas 1 is zero
set it to zero

0=2a^2-16a+32
undistribute 2
0=2(a^2-8a+16)
2*0=0 so assume
a^2-8a+16=0
factor
(a-4)(a-4)=0
set to zero
a-4=0
a=4

when a=4, equation equals zero

Answer Link

Otras preguntas

What was the major issue of the newly formed republican party?

Why is it unwise to think that non-prescribed drugs cannot cause harmful side effects?

how do you solve the proportion: 11/5.9 = 15/x I learned this a while back I just forget how to do it. thx

When an atom of the unstable isotope Na-24 decays, it becomes an atom of Mg-24 because the Na-24 atom spontaneously releases:(1) an alpha particle (2) a beta pa

What is the area of a circle whose equation is (x-3)² + (y + 1) ² =81? Can someone explain this to me? Im not really looking for solution I want to understand t

An electron in a sodium atom gains enough energy to move from the second shell to the third shell. The sodium atom becomes:(1) a positive ion(2) a negative ion(

What is an environmental variable that effects wing color in western white butterflies?

The population od a small country is 5,740,000. Express this number using scientific notation. Say steps to.

What is 6.9 times 100

Criticize or defend each of the U.S. actions surrounding World War II listed below: ◦U.S aid to China ◦Lend-Lease Act