Parts of Quadratic Graph

Is the graph of the equation shown wider, narrower or the same width as the standard parabola y = x² ?

• wider

• narrower

• same width

• impossible to tell

Which best describes the vertex of a parabola?

• Any point on the parabola.

• A point on the x-axis.

• The highest or lowest point of a parabola

• A point on the y-axis.

What is the vertex of y=x²+4x+3?

• (2,1)

• (-2,1)

• (0,0)

• (-2,-1)

Does the equation open up or down? 
Y = -3x² +7x - 2

• up

• down

• both 

• neither

What is the vertex of function

f(x) = 3(x+4)²-8? Write your answer as a coordinate (x,y)

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

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up

• (5, 2); opens down

• (-5, 2); opens up

• (-5, 2); opens down

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes

• Axis of Symmetry

• Direction

• y-intercept

Which equation best represents 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

What is the vertex of the function f(x) = -x²+8x-10? Write your answer as a coordinate (x,y)