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Complete the table below by evaluating the polynomial using the given value of x. The first

one is given to you​

Complete The Table Below By Evaluating The Polynomial Using The Given Value Of X The First One Is Given To You class=

Sagot :

DIRECTIONS:

Complete the table below by evaluating the polynomial using the given value of x. The first one is given to you.

  • Under 6x - 9

ANSWERS:

  1. -21
  2. -15
  3. -9
  4. -3
  5. 3

SOLUTIONS:

  • 6x - 9
  • 6(-2) - 9
  • -12 - 9 = -21

  • 6x - 9
  • 6(-1) - 9
  • -6 - 9 = -15

  • 6x - 9
  • 6(0) - 9
  • 0 - 9 = 9

  • 6x - 9
  • 6(1) - 9
  • 6 - 9 = -3

  • 6x - 9
  • 6(2) - 9
  • 12 - 9 = 3

======================================

  • Under 2x² + 5

ANSWERS:

  1. 13
  2. 7
  3. 5
  4. 7
  5. 13

SOLUTIONS:

  • 2x² + 5
  • 2(-2)² + 5
  • 2(4) + 5
  • 8 + 5 = 13

  • 2x² + 5
  • 2(-1)² + 5
  • 2(1) + 5
  • 2 + 5 = 7

  • 2x² + 5
  • 2(0)² + 5
  • 2(0) + 5
  • 0 + 5 = 5

  • 2x² + 5
  • 2(1)² + 5
  • 2(1) + 5
  • 2 + 5 = 7

  • 2x² + 5
  • 2(2)² + 5
  • 2(4) + 5
  • 8 + 5 = 13

======================================

  • Under x² - 3x + 2

ANSWERS:

  1. 12
  2. 6
  3. 2
  4. 0
  5. 0

SOLUTIONS:

  • x² - 3x + 2
  • (-2)² - 3(-2) + 2
  • 4 + 6 + 2
  • 10 + 2 = 12

  • x² - 3x + 2
  • (-1)² - 3(-1) + 2
  • 1 + 3 + 2
  • 4 + 2 = 6

  • x² - 3x + 2
  • 0² - 3(0) + 2
  • 0 - 0 + 2
  • 0 + 2 = 2

  • x² - 3x + 2
  • (1)² - 3(1) + 2
  • 1 - 3 + 2
  • -2 + 2 = 0

  • x² - 3x + 2
  • (2)² - 3(2) + 2
  • 4 - 6 + 2
  • -2 + 2 = 0

======================================

  • Under 3x³ + 2x² - x + 8

ANSWERS:

  1. -6
  2. 8
  3. 8
  4. 12
  5. 38

SOLUTIONS:

  • 3x³ + 2x² - x + 8
  • 3(-2)³ + 2(-2)² - (-2) + 8
  • 3(-8) + 2(4) + 2 + 8
  • -24 + 8 + 2 + 8
  • -16 + 10 = -6

  • 3x³ + 2x² - x + 8
  • 3(-1)³ + 2(-1)² - (-1) + 8
  • 3(-1) + 2(1) + 1 + 8
  • -3 + 2 + 1 + 8
  • -1 + 1 + 8
  • 0 + 8 = 8

  • 3x³ + 2x² - x + 8
  • 3(0)³ + 2(0)² - 0 + 8
  • 3(0) + 2(0) + 8
  • 0 + 0 + 8
  • 0 + 8 = 8

  • 3x³ + 2x² - x + 8
  • 3(1)³ + 2(1)² - 1 + 8
  • 3(1) + 2(1) - 1 + 8
  • 3 + 2 - 1 + 8
  • 5 + 7 = 12

  • 3x³ + 2x² - x + 8
  • 3(2)³ + 2(2)² - 2 + 8
  • 3(8) + 2(4) - 2 + 8
  • 24 + 8 - 2 + 8
  • 32 + 6 = 38

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