Find the equation of the axis of symmetry of the following parabola algebraically
y=−x^2-2x-2

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Solve this problem! extra ! 3025/5.5 = a/90.75