Choose the equation below whose axis of symmetry is x = 0. a. y = x2 + 2x
b. y = x2 – 16x + 58
c. y=x2+2
d. y = x2 - 4x + 2

Which is the product of 58 and 1,000? a. 0.058 b. 5,800 c. 58,000 d. 580,000

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

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?