Answer:
Explanation:
The expression that must be rewritten as a fully simplified fraction is:
You must, first, convert
as a fraction.
The line over the decimal 4 means that the digit 4 repeats indefinetly.
To find the fraction that represents this number you follow this procedure:

Now, you can mutiply both fractions:

16x^2=9
x^2=9/18
x=sqrt(9/16)
x=3/4,-3/4
so the root of the quadratic equation are 3/4 and -3/4
Answer:
2
Step-by-step explanation: