+0  
 
0
67
1
avatar

If a is a constant such that 4x^2-12x+a is the square of a binomial, then what is a?

Guest Jun 16, 2018
 #1
avatar
0

factor out a 4 then complete the square

4(x^2 - 3x)

-3/2

 (-3/2)^2 = 9/4

 

4(x^2-3x+9/4) 

 

4(x^2-3x+9/4) -9 cause 9/4 * 4 = 9, so you added 9 you need to subtract 9 to equalize

 

a = -9

Guest Jun 16, 2018

47 Online Users

avatar
avatar
avatar
avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.