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

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?

Which equation matches the graph above?

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