HELP PLEASE A quadratic function is
standard form is f(x)=x^2+bx+c. The axis of symmetry is the vertical line passing through the vertex. The equation of the axis of symmetry is x=-b/2a.

Type the equation of the axis of of symmetry of the following quadratic function in the answer box : f(x)=-3x^2-12x+1

Acircle has a circumference of 28.36 units what is the diameter of the circle

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

During a wright loss challenge your friend goes from 125 pounds to 100 pounds. what was the percent weight loss