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​​ALGEBRA eXAMPLES

Find the vertex and y-intercept of the quadratic equation

11/17/2016

 
For the function, f(x) = -5x² - 10x + 6,
find the vertex and y-intercept.

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Solve the equation by completing the square

12/23/2015

 
Solve x² - 2x - 24 = 0, for x, by completing the square.

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Find the missing coordinate of the point on the graph

2/21/2014

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 If (4, b) is a point on the graph of y = 3x² + 4x, what is b? 

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Transformations of quadratic functions

12/2/2013

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List the transformations for the quadratic function: 
y = - (x - 2)² + 4

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Write a function given a zero

12/1/2013

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 I need to explain how to write a function with a zero of 0.5

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Completing the square

9/2/2013

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How do you solve the equation by completing the square?
x² + 4x = 10

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Finding the vertex of a quadratic function

7/25/2013

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How do you find the vertex of f(x) = (x + 3)² ?

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Vertex of a parabola

2/8/2013

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What is the vertex of the parabola y = x² + 8x + 5  ?

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Finding y-intercept, equation of the axis of symmetry, and x-coordinate of the vertex of a quadratic function

1/30/2013

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For the function  f(x) = x² - 6x + 8,
Find the y-intercept, the equation of the axis of symmetry, and the x-coordinate of the vertex.

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Solve for x.

9/3/2011

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How would you solve this for x?
(5x² + 6x)(12x² - 5x - 2) = 0 

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Algebra House
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