### Hillcrest applies quadratic equation to bottle rockets

Students at a suburban IL high school calculated how high launches took their bottle rockets during an outdoor class earlier this month.

Read MoreStudents at a suburban IL high school calculated how high launches took their bottle rockets during an outdoor class earlier this month.

Read MoreSolving equations for a variable of interest is required in algebra 1 on the PARCC test (and in the Common Core). Students find the radius of a circular pool.