4.1 - Graphing Quadratics

Multiple Choice

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

Multiple Choice

In vertex form, what effect does the a have on the graph?

• Translates Up/Down

• Translates Left/Right

• Narrows/Widens Parabola

• Flips it

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

According to the given information, which would be the equation of the parabola?

• $$y=\frac{1}{8}\left(x-4\right)^2-5$$

• $$y=2\left(x-4\right)^2-5$$

• $$y=\frac{1}{8}\left(x+4\right)^2-5$$

• $$y=\left(x-4\right)^2-5$$

Multiple Choice

Which function is best represented by this graph?