Acording to IXL (A cruddy program my teachers make me do) It clams that my slope-intercept form of y=-60x-40 is wrong.
https://gyazo.com/de780a7f1b968dab6ce294b3550f91b2
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Can someone explain why I am wrong?
Your answer of y = - 60x - 40
but, you entered for your answer: y = -6x - 40.
Change your "-6x" to "-60x".