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.