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The quadratic function is .
The above function compare with .
Rewrite the function
a = 2 , b = and c = .
The y-intercept of the equation is c = .
The equation of the axis symmetry is .
(Substitute the values a = 2 and b = )
(Simplify)
The x-coordinate of the vertex is .
The equation of the axis symmetry is and x-coordinate of the vertex is 1.5.
Make a table of values that includes the vertex.
Graph of the quadratic function is
Draw a coordinate plane.
Plot the points.
Draw a smooth curve through this points.
The y-intercept of the equation is c = . and The equation of the axis
symmetry is and x-coordinate of the vertex is 1.5.
The graph of the quadratic function is
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