3/3 Quadratic Equations from Graphs

What is the equation of the quadratic in the graph?

• y = (x+1)(x-2)

• y = (x-1)(x+2)

• y = (x+.5)² - 2.25

• y = (x-.5)(x-2)

Tags

CCSS.HSF-IF.C.7A

What is the equation of the quadratic function in the graph?

• y = x² - 2x - 8

• y = x² + 2x + 8

• y = x² - 2x + 8

• y = x² + 2x - 8

What is the equation of the function in the graph?

• y = x² + 6x - 9

• y = x² + 6x + 9

• y = x² + 3

• y = x² - 3

Tags

CCSS.HSF-IF.C.7A

What is the equation of the quadratic function in the graph?

• y = (x + 1)² - 4

• y = (x - 1)² + 4

• y = (x - 1)² - 4

• y = (x + 1)² + 4

What quadratic function is modeled by the table?

• y = x² + 3x +3

• y = x² + 3x + 5

• y = x² - 3x +3

• y = x² + 2x +5

What function would help find the nth term of the quadratic sequence below?

1, 7, 17, 31, 49, 71 ...

• f(n) = 3n² - 2

• f(n) = n² + 2n - 2

• f(n) = 2n² - 1

• f(n) = 2n² - 3n + 2

What is the nth term for the total number of squares?

• 
  

  $4n-2$
  

• $n\left(n+1\right)$

• $n^2+1$

• $n\left(n+2\right)$

Tags

CCSS.HSF.BF.A.2

What is the nth term rule for the total number of squares?

• 
  

  $n^2+1$
  

• $4n-2$

• $4n^2+1$

• $n^2+n$

Tags

CCSS.6.EE.B.6