Quadratic Function and Graph

If a, is positive, then the parabola opens upward and there will be a maximum y- value. If a, is negative, then the parabola opens downward and there will be a minimum y- value.

• TRUE

• FALSE

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry in the following graph?

• (-1,0)

• X=0

• x=-1

• X=1

Tags

CCSS.HSF-IF.C.7A

If we have the equation y=ax²+bx+c, how can we can find the x-coordinate of the vertex?

• -a

• -b/a

• b/2a

• -b/2a

What is the vertex of y=x²+4x+3?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

The graph of a quadratic function is called a

• Parabola

• Vertex

• Axis of Symmetry 

• Vertex Form

Tags

CCSS.HSF-IF.C.7A

Which quadratic function is represented by the graph?

• y = 2(x - 4)² + 5

• y = 2(x + 4)² + 5

• y = -2(x - 4)² + 5

• y = -2(x + 4)² + 5

Tags

CCSS.HSF-IF.C.7A

What are the domain and range of the parabola shown?

• Domain: x≥-4
  Range: all real numbers

• Domain: all real numbers
  Range: y <-4

• Domain: all real numbers
  Range: y ≥-4

• Domain: x < -1
  Range: all real numbers

The equation h = -16t²+25t+18 represents the height of a ball thrown into the air after t seconds. At what time does the ball reach the maximum height?

• .78125 seconds

• .75 seconds

• .5 seconds

• .687 seconds

Which of the following equations matches standard form of a quadratic?

• ax + by = c

• y = a(x - h)² + k

• y = ax² + bx + c

• y = mx + b

What is the equation for axis of symmetry?

• y=3

• x=3

• x=5

• x=1

Tags

CCSS.HSF-IF.C.7A