168 results authored by Terry Young - search across all users.
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Students will analyze a graph of a quadratic function to identify the x-intercepts (or Roots, or Zeros).
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Students will locate and write the ordered pair for the vertex of a quadratic function from a graph.
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Students will analyze the graph of a quadratic function, and then write the equation in either Standard Form or Vertex Form.
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Calculate the midpoint of two points.
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Identifying y=mx+b given two points
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Calculate the midpoint of two points.
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Convert from degrees to radians
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Convert from radians to degrees
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Using Pythagoras' theorem to determine a non-hypotenuse side, where side lengths include surds and students enter using sqrt syntax
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Using Pythagoras' theorem to determine the hypotenuse, where side lengths include surds and students enter using sqrt syntax
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Use $\cos^2\theta+\sin^2\theta=1$ and/or an understanding on the unit circle definitions to determine $\cos\theta$ given $\sin\theta$ and the quadrant theta is in.
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Use $\cos^2\theta+\sin^2\theta=1$ and/or an understanding on the unit circle definitions to determine $\sin\theta$ given $\cos\theta$ and the quadrant theta is in.
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multiple choice testing sin, cos, tan of angles that are negative or greater than 360 degrees that result in nice exact values.
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Given one point and the gradient determine the equation of the line.
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