Question 1

1.  Find the # of complex roots and turns to the graph $y=x^3-5x^2+2x+8$

Accepted Answer

# complex roots = 3, # turns = 2

Answer

# complex roots = 3, # turns = 3

Answer

# complex roots = 2, # turns = 1

Answer

# complex roots = 2, # turns = 2

Question 2

2.  Describe the right and left end behavior of $y=x^3-5x^2+2x+8$

Accepted Answer

Right:  Positive, Up.   Left:  Odd, Down

Answer

Right:  Positive, Up.   Left:  Even, Up

Answer

Right:  Negative, Up.   Left:  Odd, Down

Answer

Right:  Negative, Down.   Left:  Even, Down

Question 3

3.  Find the roots of the polynomial using synthetic division:  $y=x^3-5x^2+2x+8$

Accepted Answer

(2, 0) (-1, 0) (4, 0)

Answer

(2, 0) (1, 0) (4, 0)

Answer

(-2, 0) (1, 0) (-4, 0)

Answer

(-2, 0) (-1, 0) (-4, 0)

Question 4

4.  Find the y-intercept of the polynomial:  $y=x^3-5x^2+2x+8$

Accepted Answer

(0, 8)

Answer

(0, 0)

Answer

(0, -8)

Answer

(0, -1)

Question 5

5.  Graph $y=x^3-5x^2+2x+8$

Accepted Answer

https://uploads.quizalize.com/ad3ae995-7743-4852-a6c5-510534f26480/question/82e0fa870b6e92b327e05352e066413e309d038a.png

Answer

https://uploads.quizalize.com/ad3ae995-7743-4852-a6c5-510534f26480/question/24c6798386883d81d69402e28c64b100adb5e356.png

Answer

https://uploads.quizalize.com/ad3ae995-7743-4852-a6c5-510534f26480/question/fc8419441cfd5cec1ac30005af2132e74a31ff46.png

Answer

https://uploads.quizalize.com/ad3ae995-7743-4852-a6c5-510534f26480/question/3a4904b2acaa2a836f59a960b33c808df85f707b.png

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