Write the quadratic function in vertex form. y = x2 + 8x + 18

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

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?

What is the solution for 6 - 7/8? explain the steps.