| Linear | Absolute Value | Quadratics |
|---|---|---|
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What is: y = (2/3)x + 0
Y-intercept is zero; slope is 2/3
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What is a "v".
The shape of an absolute value graph.
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What is a parabola?
This is what the graph of a parabola is called.
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What is: If it rises from left to right, it is positive. If it falls from left to right it is negative.
This is how you tell just by looking at the graph if the slope is negative or positive.
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What is: y = I x - 3 I - 5
Vertex is (3,-5)
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What is: y = -x^2 - 2x + 8
a = -1, b = -2, c = 8
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What is: y = (-3/5)x - 7
Y-intercept is -7; slope is -3/5
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What is: y = - I x + 1 I - 4
Vertex is (-1, -4), opens down
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What is the leading coefficient? (equation in standard form).
This is how you tell the direction of the opening of a parabola.
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What is: y = 273
Y-intercept is 273; slope is zero
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What is: y = - I x I + 2
Vertex is (0, 2), opens down
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What is the constant?
This is how you tell the y-intercept of a parabola.
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What is: vertical
This is the direction of a line with an undefined slope.
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What is: y = I x I + 0
Vertex is (0,0), opens up
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What is x = -b/(2a)? Or, what is x is the opposite of b over 2a?
This is the equation for the axis of symmetry.
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