quadratic test

What type of function is this?

• Quadratic

• Linear

• Exponential

• Not a function

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What kind of function is this graph?

• Linear

• Quadratic

• Exponential

Is it linear, quadratic, or exponential?

• Linear

• Quadratic

• Exponential

• Outrageously outrageous

Find the quadratic equation for the relationship of the horizontal distance and the height of the ball.

• -18x² + 2.11x + 4.21
• -.06x² +1.06x + 7.9
• -6x² +1.06x + 79
• -.12x² + 2.11x + 4.22

Calculate the quadratic regression function for this table of values to the nearest tenth.

• f(x) =
   2x² - 9x + 10
• f(x)=
   3x² + 9x - 10
• f(x) =
   3.1x² - 9.2x - 10.3
• f(x) =
  2.1x² - 8.6x + 10.1

What is the maximum value of the function?

• 9

• 2

• 8

• -4

Tags

CCSS.HSF-IF.C.7A

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

Tags

CCSS.HSF-IF.C.7A

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

What is the vertex of the graph of the quadratic function f(x) = x² + 6x + 10?

• (3, -1)
• (-3, -1)
• (-3, 1)
• (3, 1)

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)