Answer:
sentence 2
Step-by-step explanation:
1) A. since, if you put the numbers into the equation (one at a time) the equation = 0 each time, which is true.
2) I think I've been taught to complete the square slightly differently
x^2 - 18x - 17 = 0
(x-9)^2 - 81 -17 = 0
(x-9)^2 - 98 = 0
I hope you can get something from that
Hence, required answer is <u>3</u><u>3</u><u>6</u>
See the picture for the solution
Hey there, the formula is A=a², and P=4a. Let's solve for a, A=1/16p²=1/16*12²=9cm², Therefore, the answer is 9 cm 2