What is an equation of the line that passes through the point (5,-6) and has a slope of -5

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?