Vertex form of a Quadratic

In a quadratic equations, what words mean the same as x-intercept?

• vertex

• zeros

• initial value

• solutions

• parabola

What information should you use to graph using this equation? Select all that apply.

• slope

• x-intercept

• zeros

• y- intercept

• solutions

Which words are used to indicate the slope

• rate of change

• per

• initial value

• graph

• line

What is the vertex of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Which equation matches the graph?

• y = (x + 3)² - 4

• y = (x - 3)² - 4

• y = -1(x + 3)² - 4

• y = -1(x - 3)² + 4

Identify a, h, k:

f ( x ) = 5 ( x - 4 ) ² + 3

• a = 5, h = -4 , k = 3

• a = 5, h = 4 , k = 3

• a = 5, h = -4 , k = -3

• a = 5, h = 4 , k = -3

What is the minimum of this graph?

• (-2,6)
• (-0.5,-3.5)
• (-1,-3)
• (3,0)

Which quadratic function is represented by the graph?

• y = -(x + 1)² - 4

• y = -(x + 1)² + 4

• y = -(x - 1)² - 4

• y = (x + 1)² + 4

Which of the following is the correct equation for the given graph?

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

Which of the following is the correct equation for the given graph?

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