because he felt intimidated in his new position, he was ------- divulging his frank opinions of...
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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
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ALGEBRA 3Chapter 5
Lesson 6: Quadratic Formula and the Discriminant
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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
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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
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I DO (Quadratic Formula)
Find all zeros using the quadratic formula 1. 2. 3. 4.
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WE DO (Quadratic Formula)
Find all zeros using the quadratic formula 1. 2. 3. 4.
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YOU DO (Quadratic Formula)
Find all zeros using the quadratic formula 1. 2. 3. 4.
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REVIEW
Today you learned how to solve a quadratic equation using the quadratic formula
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HOMEWORK
Worksheet 5.6B (13-24)
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Warm Up Silvery fish Asuch as sardines
and Atlantic herring Bbeing masters of camouflage, using Ctheir silvery skin to stay invisible to predators Dfrom nearly every angle. ENo error
(A) (B) (C) (D) (E)
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ALGEBRA 3Chapter 5
Lesson 6: Quadratic Formula and the Discriminant
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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
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I DO (Discriminant)
Find the discriminant and determine how many REAL solutions 1. 2. 3. 4.
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WE DO (Discriminant)
Find the discriminant and determine how many REAL solutions 1. 2. 3. 4.
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YOU DO (Discriminant)
Find the discriminant and determine how many REAL solutions 1. 2. 3. 3 4.
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REVIEW
What did you learn today?
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HOMEWORK
Worksheet 5.6B (1-12)