Question

I NEED A HELP

Answer 1

http://www.mathway.com and www.purplemath.com these two sites help me alot.

Answer 2

hang in there we are all suffering majorily tonight

Answer 3

\[x ^{2}-4x-\log_{2}a=0 \]

Answer 4

find a

Answer 5

Find a in terms of x?

Answer 6

Can't solve either variable with only one equation.

Answer 7

no range of a
options are

A. a>=1/2 B. a>=1/8
c. a>=1/16 d. a>=1/4

Answer 8

D>0
so 16 + 4log a>=0
log a>=-4
a>=2^(-4)
a>=1/16