Discovery Discriminant Stations handout ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Station 1 Station 2 Station 3 Station 4 Station 5 Station 6 Equation ______________ Equation ______________ Equation ______________ a = __ b = __ c = __ a = __ b = __ c = __ a = __ b = __ c = __ Find b2 – 4ac __________ Find b2 – 4ac __________ Find b2 – 4ac __________ Station 4 Station 5 Station 6 Equation ______________ Equation ______________ Equation ______________ a = __ b = __ c = __ a = __ b = __ c = __ a = __ b = __ c = __ Find b2 – 4ac __________ Find b2 – 4ac __________ Find b2 – 4ac __________

Positive discriminant Zero discriminant Negative discriminant

Discriminant Stations & complete the stations. Find a buddy. Move around the room & complete the stations. 3. When finished, return to your seat. ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Station 1: ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 1: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 1: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. a = 4, b = 1, c = – 6 ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Station 2: ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 2: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 2: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. a = 1, b = 2, c = 8 ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Station 3: ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 3: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 3: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. a = 3, b = 15, c = – 12 ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Station 4: ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 4: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 4: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. a = 25, b = –30, c = 9 ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Station 5: ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 5: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 5: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. a = 7, b = –10, c = 0 ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Station 6: ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 6: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Solve with the quadratic formula. Station 6: Find a, b, and c. Find the value for b2 – 4ac. Solve with the quadratic formula. a = 12, b = 0, c = –90 ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Discriminant foldable ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Discriminant

Positive Zero Negative

Discriminant Foldable Fold your paper over (top to bottom leaving about an inch at the bottom). Positive Zero Negative Discriminant ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Determine the number of roots. Example: 1 2 Real ROOTS ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Determine the number of roots. Example: 2 1 Real ROOT ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources

Determine the number of roots. Example: 3 No Real Roots ©2009, Dr. Jennifer L. Bell, LaGrange High School, LaGrange, Georgia Adapted from various sources