Solve x2 + 12x = –11 by completing the square. Which is the solution set of the equation?
2 answers:
Answer:
answer is A
Step-by-step explanation:
X2+12x+11=0
x2+12x+(12/2)^2-(12/2)^2+11=0
(x+6)^2-36+11=0
(x+6)^2=25
(x+6)=+-5
x= +5-6 or -5-6
= -1 or- 11
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3 to the 8th power=6561...
Times s is equal to
6561s
Answer:
answer is the first one
Answer:
Yes.
Step-by-step explanation:
0.75
To get his you must simply divide 75/100. This gives you .75
0.07x+0.0825(9000-x)=706.25
Solve for x
X=2900 at 7%
9000-2900=6100 at 8.25%