Graphing Quadratics

Graphing Quadratics

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Multiple Choice

What is the vertex of this quadratic equation?  
y = 2(x - 2)²  +  5

• (-2,5)
• (2,5)
• (5,-2)
• (-5,-2)

Multiple Choice

$$y=-3(x+5)^2-4$$  
Convert the equation from vertex form to standard form.

• y = 9x² - 15x + 21

• y = -3x² - 75x - 4

• y = 9x² + 90x + 221

• y = -3x² - 30x - 79

Multiple Choice

Write the equation in Vertex Form. y = 3x²-6x+8

• y = 3(x-2)²+6

• y = 3(x+1)²-5

• y = 3(x-1)²+5

• y = 3(x-5)²+1

Multiple Choice

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Multiple Choice

Using the graph determine the interval of decreasing.

• $$\left(-\infty,0\right)$$

• $$\left(0,+\infty\right)$$
  

• $$\left(-\infty,-1\right)$$
  

• $$\left(-1,+\infty\right)$$
  

Multiple Choice

Shift f(x)=x² three units to the left and 4 units down

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

Multiple Choice

What are the x- intercepts?

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