Quadratic Exploration Worksheet With Answer Key Page 5
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12Name: ________________________ Class: ___________________ Date: __________
ID: B
Quadratic Exploration Quiz
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. A swim team member performs a dive from a 14-foot-high springboard. The parabola below shows the path
of her dive.
Which equation represents the axis of symmetry?
y = 3
x = 3
a.
c.
b.
x = 23
d.
y = 23
2
2. Find the axis of symmetry of the graph of y = −3x
+ 6x − 4 .
____
a.
y = −1
x = 1
b.
c.
x = −1
y = 1
d.
2
____
3. Tell whether the graph of the quadratic function y = −3x
+ 2x + 2 opens upward or downward. Explain.
Because a > 0 , the parabola opens upward.
a.
b.
Because a > 0 , the parabola opens downward.
Because a < 0 , the parabola opens upward.
c.
d.
Because a < 0 , the parabola opens downward.
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