Interpreting Vertex Form

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

• ax + by = c
• y = a(x - h)² + k
• y = ax² + bx + c
• y = mx + b

If given the equation
y = 3(x + 5)² - 4,
What is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

If given the equation
y = 3(x - 10)² + 7,
What is the vertex of the parabola?

• (-10, 7)

• (10, -7)

• (10, 7)

• (-10, -7)

Which equation has a vertex of (-3, 4)?

• y = 2(x+3)² + 4
• y = (x+3)² - 4
• y = (x-3)² + 4
• y = 2(x - 3)² + 4

What is the equation of this graph?

• f(x) = (x -5)² + 1
• f(x) = (x - 1)² - 5
• f(x) = (x + 1)² - 5
• f(x) = (x + 5)² +1

Tags

CCSS.HSF-IF.C.7A

What is the vertex for
f(x)=4(x - 2)² + 3

• (-2, 3)
• (2,-3)
• (4,3)
• (2,3)

What is the vertex?

• (-1,-2)
• (-2,-1)
• (-3,-1)
• (2,1)

Which equation is graphed above?

Tags

CCSS.HSF-IF.C.7A

Which equation matches the graph above?

Tags

CCSS.HSF-IF.C.7A

The equation below represents the Maximum Value since the year 1995. Where "x" represents the year it hit its Maximum Vale.
y = -3(x - 10)² - 8,

WHAT year represents the maximum value of the Quadratic Function?

• 2005

• 1985

• 2010

• 2020