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Tuesday, June 4, 2013. Do Now : Evaluate when x = 6, y = -2 and z = 3. Check your Homework. Text p. 304 #s 15-37 odd 15) 27) 17) 29) 19) 31) 21) 33) 23) 35) 25) 37). 6-5 The Quadratic Formula and the Discriminant. Objectives Students will be able to:
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Tuesday, June 4, 2013 Do Now: Evaluate when x = 6, y = -2 and z = 3
Check your Homework • Text p. 304 #s 15-37 odd 15) 27) 17) 29) 19) 31) 21) 33) 23) 35) 25) 37)
6-5 The Quadratic Formula and the Discriminant Objectives Students will be able to: Solve quadratic equations by using the Quadratic Formula Use the discriminant to determine the number and type of roots of a quadratic equation
Using the quadratic formula is yet another way to solve quadratic equations. • Find the solutions of a quadratic equation in the form
Try these. 5) 6)
The discriminant • The discriminant is the expression within the quadratic formula that is • can be used to determine the number and type of roots of a quadratic equation.
Find the value of the discriminant for each quadratic equation. Then describe the number and type of roots for the equation. 1) 2)
Try these. 5) 6)
Homework • Text p. 318 #s 16-23 all Quiz Thursday, June 6 on Solving Quadratics by Graphing, Factoring and Quadratic Formula (Sections 6.1, 6.2, 6.3, 6.5 and 6.6) *OPEN NOTES!*