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Warm Up . Because he felt intimidated in his new position, he was ------- divulging his frank opinions of company proposals. (A) scurrilous about (B) candid in (C) chary of (D) fervid about (E) precipitate in. Algebra 3. Chapter 5 Lesson 6: Quadratic Formula and the Discriminant. VOCAB.

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Warm up
Warm Up

  • Because he felt intimidated in his new position, he was ------- divulging his frank opinions of company proposals.

  • (A) scurrilous about

  • (B) candid in

  • (C) chary of

  • (D) fervid about

  • (E) precipitate in


Algebra 3

Algebra 3

Chapter 5

Lesson 6: Quadratic Formula and the Discriminant


Vocab
VOCAB

  • Quadratic Formula – is a formula that will give you the x-intercepts to ANY quadratic equation

  • Discriminant – tells you how many real solutions a quadratic equation has (how many times the graph crosses the x-axis)

    • 2 is when the discriminant is greater than 0

    • 1 is when the discriminant is 0

    • 0 is when the discriminant is less than 0


Directions quadratic formula
DIRECTIONS (Quadratic Formula)

  • Set the equation to be equal to zero

    • Move everything to one side

    • Combine Like Terms

  • Plug a, b, and c into the formula

    • Solve


I do quadratic formula
I DO (Quadratic Formula)

Find all zeros using the quadratic formula

  • 1.

  • 2.

  • 3.

  • 4.


We do quadratic formula
WE DO (Quadratic Formula)

Find all zeros using the quadratic formula

  • 1.

  • 2.

  • 3.

  • 4.


You do quadratic formula
YOU DO (Quadratic Formula)

Find all zeros using the quadratic formula

  • 1.

  • 2.

  • 3.

  • 4.


Review
REVIEW

  • Today you learned how to solve a quadratic equation using the quadratic formula


Homework
HOMEWORK

  • Worksheet

    • 5.6B (13-24)


Warm up1
Warm Up

  • Silvery fish Asuch as sardines and Atlantic herring Bbeing masters of camouflage, using Ctheirsilvery skin to stay invisible to predators Dfrom nearly every angle. ENoerror

    (A) (B) (C)   (D) (E)  


Algebra 31

Algebra 3

Chapter 5

Lesson 6: Quadratic Formula and the Discriminant


Directions discriminant
DIRECTIONS (Discriminant)

  • Set the equation to be equal to zero

    • Move everything to one side

    • Combine Like Terms

  • Plug a, b, and c into the formula

    • Solve


I do discriminant
I DO (Discriminant)

Find the discriminant and determine how many REAL solutions

  • 1.

  • 2.

  • 3.

  • 4.


We do discriminant
WE DO (Discriminant)

Find the discriminant and determine how many REAL solutions

  • 1.

  • 2.

  • 3.

  • 4.


You do discriminant
YOU DO (Discriminant)

Find the discriminant and determine how many REAL solutions

  • 1.

  • 2.

  • 3. 3

  • 4.


Review1
REVIEW

  • What did you learn today?


Homework1
HOMEWORK

  • Worksheet

    • 5.6B (1-12)


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