Find the general form of the equation of the the circle.Center at the point (-4, -2); tangent to x-axis
A. x2 + y2 + 8x + 4y + 24 = 0
B. x2 + y2 + 8x + 4y + 4 = 0
C. x2 + y2 + 8x + 4y + 16 = 0
D. x2 + y2 - 8x - 4y + 16 = 0
Answer: C
Mathematics
You might also like to view...
Use substitution to factor the trinomial.2y8 - 17y4 + 30
A. y6(2y - 5)(y - 6) B. y2(2y2 - 5)(y4 - 6) C. (2y4 - 5)(y4 - 6) D. (2y4 - 6y2 + y - 5)(y4 - 5y2 + y - 6)
Mathematics
Evaluate.i13
A. 1 B. -1 C. -i D. i
Mathematics
Write true or false for the statement.A piece of paper might be 20 millimeters thick.
A. True B. False
Mathematics
The quantity demanded for a certain brand of portable CD players is 400 units when the unit price is set at $80. The quantity demanded is 1,400 units when the unit price is $30. Find the demand equation.
Mathematics