User: Which of the following equations is of an ellipse with x-intercepts at (1, 0) and (-1, 0), y-intercepts at (0, 3) and (0, -3), and center at (0, 0)?

Weegy: no slope means m = 0 in y = mx + b
line through (- 3, 0) is y - 0 = 0(x + 3) Or y = 0 cadence|Points 50|

User: The equation of a circle whose center is at (1,2) and radius is 5 is

The equation of an ellipse with x-intercepts at (1, 0) and (-1, 0), y-intercepts at (0, 3) and (0, -3), and center at (0, 0) is x^2 + y^2/9 = 1 or 9x^2 + y^2 = 9.

Weegy: First know the equation of a circle. (x-h)^2 + (y-k)^2 = r^2. Now it becomes easy. You plug in 5 for x and 6 for y. You plug in 3 for r. That will be your equation. (5-h)^2 + (6-k)^2 = 9. (More)

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