1). Make your equation equal to 0
2). Then plug in your numbers to the quadratic equation
(0,5) when you graph it these will be your point you can use desmos which is a graphing calculator
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Circumference of a circle is 2 x pi x r
No, it is not a perfect cube. A perfect cube is a number that is obtained when you cube an integer. For example, 8 (cube of 2), 27 (cube of 3) and 64 (cube of 4). Since -3 cannot be obtained by cubing an integer, it is not a perfect cube.