Question 1

The graph most likely matches which equation?

Accepted Answer

$y=2x^2$

Answer

$y=-3x^2$

Answer

$y=1/2x^2$

Question 2

The graph most likely matches which equation?

Accepted Answer

$y=-x^2$

Answer

$y=-1/4x^2$

Answer

$y=3x^2$

Question 3

How does the graph of $y=3x^2$ differ from the graph of $y=(0.5x)^2$?

Accepted Answer

The graph of $y=3x^2$ is narrower than the graph of $y=(0.5x)^2$.

Answer

The graph of $y=3x^2$ is wider than the graph of $y=(0.5x)^2$.

Answer

The graphs are reflections of each other in the x-axis.

Question 4

Which equation would the graph be wider than $y=-2x^2$?

Accepted Answer

$y=-1/4x^2$

Answer

$y=5x^2$

Answer

$y=x^2$

Question 5

True or False:  A negative number in front of the $x^2$ will make the parabola wider or narrower.

Accepted Answer

FALSE

Answer

TRUE

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