Denise G. answered 05/15/19
Algebra, College Algebra, Prealgebra, Precalculus, GED, ASVAB Tutor
$7.50 is the base cost of the pizza. That means is must be the y intercept. For every topping you add, the cost of the pizza increases by $1.05, which means it must be the slope. Therefore the equation would be
y=1.05x+7.50
y is the total cost and x is the number of toppings you order.