Answer:
a = 1, b = -8
Step-by-step explanation:
you need complete the square to get a and b:
x^2+2x(+1)-7(-1)
by adding and subtracting 1 you aren’t changing the equation because 1-1=0
then u could simplify the equation to
(x+1)^2 - 8 to get a=1 and b=-8
Answer:
The answer is c
Step-by-step explanation:
Answer:
x=14.4
Step-by-step explanation:
x=
x=
x=
x=
x=14.4
Answer:
To do this question, you need to put the numbers in least to greatest. Greatest to least will <u>not</u> work and will be incorrect.
It will be:
-3, -1, 0, 1, 5, 6, 7, 8, 10, 13
Now you have to cancel each number out from each end.
You will get the numbers:
5, and 6.
You have to find the average of this so:
5 + 6 = 11
11 ÷ 2 = 5.5
So the answer is 5.5.
D I think not sure tho but it might be