1. 7-5 SOLVING QUADRATIC EQUATIONS (DAY 2) ALGEBRA 1 CP OBJECTIVE: SOLVE QUADRATIC EQUATIONS AND FIND IF A QUADRATIC EQUATION HAS TWO SOLUTIONS, ONE SOLUTION, OR NO SOLUTIONS.

2. WARM UP http://nlvm.usu.edu/en/nav/frames_ asid_182_g_4_t_2.html?from=topic _t_2.html (Copy & Paste in Firefox)

3. STANDARD FORM OF A QUADRATIC EQUATION A quadratic equation is an equation that can be written in standard form: ax 2 + bx + c = 0, where a ≠0 Ex: Write 3x 2 = - 2x + 12 in standard form.

4. CITY PLANNING A city is planning a circular duck pond for a new park. The depth of the pond will be 4 ft. Because of water resources, the maximum volume will be 20,000 ft 3. Find the radius of the pond. Use the equation V=πr 2 h, where V is the volume, r is the radius, and h is the depth.

5. Solve 4x 2 – 100 = - 100

6. Solve x 2 – 9 = 16

7. HOMEWORK 7-5 worksheet Study for quiz tomorrow!!!!