Solving A Geometry Word Problem by Using Quadratic Equations


Type: Mini-lesson

Theme: Word Problems

Grades: 9, 10

Learning Target: Students will understand how to solve geometry word problems using quadratic equations.

Instructions

Example 1:

A gardener wants to fence three rectangular plots. If she has 120 yards of fencing and the total area of the plot is 450 square yards, give the dimensions of the plots. Keep in mind that only one layer of fencing needs to be between each plot.

quadradic example1

Example 2:

The area of a rectangle is 126 square meters and the length is 15 meters longer than the width. Find the length and width of the rectangle. Work on paper, then analyze graph (https://www.desmos.com/calculator/gwlszsx2vh)

Exit Ticket
CCSS Math Practice
NGSS Crosscutting Concepts

Samples