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Section 1.4 Day 1 – Quadratic Equations No Calculator After this section you should be able to: Solve quadratic equations by FACTORING.

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Presentation on theme: "Section 1.4 Day 1 – Quadratic Equations No Calculator After this section you should be able to: Solve quadratic equations by FACTORING."— Presentation transcript:

1 Section 1.4 Day 1 – Quadratic Equations No Calculator After this section you should be able to: Solve quadratic equations by FACTORING

2 Solve the following quadratic equations: Solve quadratic equations by FACTORING

3 Now try these four….. Solve quadratic equations by FACTORING

4

5 Now try these five: Solve quadratic equations by FACTORING

6 Section 1.4 Day 1 – Quadratic Equations No Calculator Homework: Pg. 119 #7-15 ODD, 21-31 ODD After this section you should be able to: Solve quadratic equations by FACTORING

7 Section 1.4 Day 2 – Quadratic Equations No Calculator After this section you should be able to: Solve quadratic equations by COMPLETING THE SQUARE Solve quadratic equations by using the QUADRATIC FORMULA Determine the number of solutions by using just the DISCRIMINANT of the quadratic formula.

8 The Method of Completing the Square Solve quadratic equations by COMPLETING THE SQUARE

9 The Method of Completing the Square Solve quadratic equations by COMPLETING THE SQUARE

10 Now try these…… Solve quadratic equations by COMPLETING THE SQUARE

11 The Quadratic Formula Before we begin solving (and potentially wasting time)…… [cannot do until Section 1.5] Compute the value of the discriminant [use quadratic formula or factor] [perfect square….+/- square root]

12 Use the value of the discriminant to determine the number of real solutions to each of the quadratic equations below. Zero Real Solns Two Real Solns One Real Soln Two Real Solns Determine the number of solutions by using just the DISCRIMINANT of the quadratic formula.

13 Given the quadratic equation below: A)Compute the value of the discriminant. B)Determine the number of real solutions C)Solve the quadratic equation (if possible) Determine the number of solutions by using just the DISCRIMINANT of the quadratic formula. Solve quadratic equations by using the QUADRATIC FORMULA

14 Given the quadratic equation below: A)Compute the value of the discriminant. B)Determine the number of real solutions C)Solve the quadratic equation (if possible) Determine the number of solutions by using just the DISCRIMINANT of the quadratic formula. Solve quadratic equations by using the QUADRATIC FORMULA

15 Given the quadratic equation below: A)Compute the value of the discriminant. B)Determine the number of real solutions C)Solve the quadratic equation (if possible) Determine the number of solutions by using just the DISCRIMINANT of the quadratic formula. Solve quadratic equations by using the QUADRATIC FORMULA

16 Section 1.4 day 2 – Quadratic Equations No Calculator Homework: After this section you should be able to: Solve quadratic equations by COMPLETING THE SQUARE Solve quadratic equations by using the QUADRATIC FORMULA Determine the number of solutions by using just the DISCRIMINANT of the quadratic formula. Pg. 119 #35-39odd, 59-62all,67, 68, 74


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