(a) Using the completing the square method, we need to write into the form of where , so
Expand to find the value of c
Notice that we get back the first two terms, the and the .We need to get rid of the last term of '9' as the term was not in the original form. The final form will look like
Hence,
(b)
(c) , square root both sides plus and minus of 2 Hence
Answer:
A: 
Step-by-step explanation:
After graphing the equation, the highest point is (-1,-2). Since f(x) is the 2nd number in the coordinates (x, f(x)), the range is 
Answer: B 65 and C 275
Step-by-step explanation:
Just divide by 3 then multiply by 5
Divide 1500 by 1000
1500/1000 = 1.5
Answer:
The 15% of 60 is 9 with amount base and percentage