Member since September 6, 2005

# symmetry

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Thu 29 Sep, 2005 03:06 pm - The equation W = 120I - 12I^2 represents the power (W), in watts, of a 120-volt circuit having a resistance of 12 ohms when a current (I) is flowing through the circuit. What is the maximum... (view)
Thu 29 Sep, 2005 03:02 pm - What is the equation of a parabola that goes through points (0,1), (-1,6), and (2,3)? (1) y = x^2 + 1 (3) y = x^2 - 3x + 1 (2) y = 2x^2 + 1 (4) y = 2x^2 - 3x + 1 (view)
Thu 29 Sep, 2005 03:00 pm - Points A(-1,3) and B(4,1) are endpoints of a diameter of a circle. The coordinates of the center of this circle are (1) (3,4) (3) (1.5,2) (2) (2,2) (4) (0,3.5) (view)
Thu 29 Sep, 2005 02:56 pm - After a dilation with respect to the origin, the image of point A( 3,4) is A'( 9,12). What are the coordinates of the image of point B( 2,7) after the same dilation? I don't get this... (view)
Mon 26 Sep, 2005 07:20 pm - ok Excellent notes. I thank you very much. (view)
Mon 26 Sep, 2005 07:19 pm - ok Great work. You said: "therefore 3x - y + 3 = 0" Book's answer is y = 3x + 3. Let's see: 3x - y + 3 = 0 -y = -3x - 3 DIVIDE BOTH SIDES by -1. y =... (view)
Mon 26 Sep, 2005 07:15 pm - ok I thank you for your notes. I can use your steps to solve similar problems in my textbook. (view)
Mon 26 Sep, 2005 07:14 pm - ok WOW! My question started an argument here. LOL. I want to thank all the great replies. (view)
Mon 26 Sep, 2005 03:39 pm - The curve y = x/(1 + x^2) is called a serpentine. Find an equation of the tangent line to this curve at the point (3, 0.3). (view)
Mon 26 Sep, 2005 03:38 pm - The curve y = 1/(1 + x^2) is called a witch of Maria Agnesi. Find the equation of the tangent line to this curve at the given point ( -1, 1/2). (view)

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