Roots of quadratic equations

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Roots of quadratic equations

• The sum of the roots of a quadratic equation of
  the form ax2 bx c 0 are given by.

A)
B)
C)
2
Roots of quadratic equations

• The product of the roots of a quadratic equation
  of the form ax2 bx c 0 are given by.

A)
B)
C)
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Roots of quadratic equations

• Find the product of the roots of the quadratic
  equation
• 3x2 - 6x 9 0

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Roots of quadratic equations

• Find the sum of the roots of the quadratic
  equation
• 3x2 - 6x 9 0

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Roots of quadratic equations
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Roots of quadratic equations

• In the following equation
• x2 - 5x 1 0
• Find aß

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Roots of quadratic equations

• In the following equation
• x2 - 5x 1 0
• Find aß

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Roots of quadratic equations
Can be written as
A)
B)
C)
9
Roots of quadratic equations

• The following equation has roots a and ß
• x2 - 5x 1 0

10
Complex numbers

• What is the value of i2?

A) -1
B) i
C) -i
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Complex numbers

• What is the value of i5?

A) -1
B) i
C) -i
12
Complex numbers

• The Quadratic equation below has roots in the
  form a bi and a - bi?
• x2 4x 13 0
• Complete the square and enter the values of a
  and b (in that order).

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Complex numbers

• Find the value of the real constants a and b such
  that
• (a 2i)2 b 12i
• Enter the values of a and b (in that order).

Hint Equate the real and imaginary parts.
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Inequalities
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Inequalities
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Matrices
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Matrices
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Matrices
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Matrices
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Matrices