Algebra 1 quadratic functions

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• B

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• D

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CCSS.HSA-REI.B.4B

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Quadratics by taking square roots

Is this exponential growth or decay?

• Growth
• Decay

What is the vertex form of this quadratic?

• f(x) = -(x - 2)² + 0
• f(x) = (x - 2)² + 0
• f(x) = -(x + 2)² + 0
• f(x) = (x + 2)² + 0

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CCSS.HSF-IF.C.7A

Find the axis of symmetry

• x = 2
• x = 0
• x = -1
• x = -2

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Which is the graph of y = (x-1)²+2

• A

• B

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CCSS.HSF-IF.C.7A

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CCSS.HSF-IF.C.7A

READ THIS FIRST!!!!
A function is only allowed ONE output for each input. If you were to draw a vertical line through the a graph, it should only touch the function ONCE. If it touches more than once, then the graph is not a function.
Using that information, which of the following are NOT functions?

• Graph 1, Graph 3
• Graph 4, Graph 5
• Graph 3, Graph 6
• Graph 6, Graph 2