Solving by Roots

x² = 16

• ± 4

• ± 8

• 4

• 8

Tags

CCSS.8.EE.A.2

3x² = 12

• ± 2

• 2

• ± √12

• ± 4

Tags

CCSS.8.EE.A.2

(x - 2) ² = 9

• ± 3

• 5  or  -1

• -5  or  1

• ± 9

Tags

CCSS.HSA-REI.B.4B

3x² - 1 = 14

• 5

• -√5

• -√5, √5

• √5

Tags

CCSS.8.EE.A.2

According to the graph, what is the root of the function g(x)?

• x=0

• y=0

• x=1

• y=-1

Find the root(s) of the function.

• x = 3

• x = (-1,2,4)

• x = (2, -2, -4)

• x = -1

• x = 3

  x = 5

• x = –5

  x = – 8

• x = 10

  x = 13

• x = 2.5

  x = 3.5

Tags

CCSS.HSA-REI.B.4B

• x = –6

  x = –2

• x = –4

  x = –10

• x = 1

• x = –3

  x = 14

Tags

CCSS.HSA-REI.B.4B

• x = –2

  x = 3

• x = 10

  x = 11

• x = –5

  x = 6

• x = –3.5

  x = 5.5

Tags

CCSS.HSA-REI.B.4B

• x = 0

  x = 12

• x = –14

  x = 6.5

• x = 8

  x = 4

• x = 3.333..

  x = 8.333..

Tags

CCSS.HSA-REI.B.4B