### Home > INT3 > Chapter 8 > Lesson 8.2.1 > Problem8-67

8-67.
1. For each set of points given below, write a possible equation of a quadratic function in standard form. Homework Help ✎

1. and (–2, 0)

2. (–, 0), (, 0) and (–3, 12)

$y=a(x+\sqrt{5})(x-\sqrt{5})$

Substitue the coordinates of the point that is not a root into the equation to solve for a.