if your equation looks like 2x² + 2y² = 4 , then it is a circle because a = c.
if c or a = 0, the equation is a parabola.
if a is not equal to to c, but they have the same signs, then the graph would look like a ellipse.
Wednesday, October 6, 2010
Quadratic Functions
stardard form is ax² + bx + cy² + dy + e= 0.
if your equation looks like 2x² + 2y² = 4 , then it is a circle because a = c.
if c or a = 0, the equation is a parabola.
if a and c have different signs, the equation is a hyperbola
if a is not equal to to c, but they have the same signs, then the graph would look like a ellipse.
if your equation looks like 2x² + 2y² = 4 , then it is a circle because a = c.
if c or a = 0, the equation is a parabola.
if a is not equal to to c, but they have the same signs, then the graph would look like a ellipse.
Multiplying Matrix
to determine how you need to multipy the matrices you must write a demension statement.
[5,6] [5,2,1]
[3,8] [2,6,9]
[6,8]
this demension would be 3 x 2 times 2 x 3.
the underlined number must be the same for the problem to be able to solve it.
the numbers on the outside need to be the same as well.
the equation for this is :
[5,6] [5,2,1]
[3,8] [2,6,9]
[6,8]
this demension would be 3 x 2 times 2 x 3.
the underlined number must be the same for the problem to be able to solve it.
the numbers on the outside need to be the same as well.
the equation for this is :
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