Which of these is a Quadratic Function? y = 22
y = 4x + 2
y = 3x² - 7
y=3x² + 4x² - 7

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

Point m is located at (-4, -6). what is located 4 units from point m? ( its on a coordinate plane by the way. )

Adentist's office and parking lot are on a rectangular piece of land. the area (in square meters) of the land is represented by x2+x? 30. a. write a binomial that represents the width of the land.