Question

Activity
Directions/ Instructions: Complete the table below:
Polynomial Equations
Factored Form
Degree
Roots
1.x3 - 2x2 - 11x + 12 = 0
2. x3 + 2x2 - 7x + 4 = 0
3. x3 - 7x +6=0
4. X4+ 4x3 + 3x2 - 4x -4 = 0
5. x4 + 3x3-3x2 - 11x - 6= 0​

Answer 1

Answer:

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Step-by-step explanation:

Given,

cos

−1

(

x

1

)=θ

or, x=secθ

or, x

2

−1=tan

2

θ [ Since sec

2

θ−tan

2

θ=1]

or,

x

2

−1

=tanθ.Given,

cos

−1

(

x

1

)=θ

or, x=secθ

or, x

2

−1=tan

2

θ [ Since sec

2

θ−tan

2

θ=1]

or,

x

2

−1

=tanθ.Given,

cos

−1

(

x

1

)=θ

or, x=secθ

or, x

2

−1=tan

2

θ [ Since sec

2

θ−tan

2

θ=1]

or,

x

2

−1

=tanθ.Given,

cos

−1

(

x

1

)=θ

or, x=secθ

or, x

2

−1=tan

2

θ [ Since sec

2

θ−tan

2

θ=1]

or,

x

2

−1

=tanθ.

Answer 2

Answer:

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1: -11x-12

Group 2: x3+2x2

Pull out from each group separately :

Group 1: (11x+12) • (-1)

Group 2: (x+2) • (x2)