The usual substitutions (x=r·cos(θ), y=r·sin(θ)) will give
x² + y² = 6x +7y
Completing the square gives
(x² -6x +9) + (y² -7y +49/4) = 9 +49/4
(x -3)² +(y -3.5)² = 21.25
Can you set up the problem correctly? then i can solve it for you
Answer:
Step-by-step explanation:
ne spent $42 for shoes. This was $14 less than twice what she spent for a blouse. How much was the blouse?
First, identify what the question is asking for.
Jane spent $42 for shoes. This was $14 less than twice what she spent for a blouse . How much was the blouse?
Next, identify the numbers.
Jane spent $42 for shoes. This was $14 less than twice what she spent for a b
Factor
find roots
determine intervals between roots for which function is positive or negative
sketch
or use calculus either way
Answer:
=6n-2
Step-by-step explanation: