Given ABCD, solve for x. B
с
A А
K30+5x)" (15+10x)"
D
A. 13
B. 11
c. 7
D. 9

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

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