Which of the quadratic functions has the narrowest graph? y=-x y=1/4x y=4x^2 y=1/9x

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take