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Equations/379564: Hi, I'm wondering if anyone can help me?
my problem is: a=h(a+b)/2
I'm not sure if i should multiply by h or 2?...
please and thank you 1 solutions
Answer 269484 by Fombitz(13828) on 2010-12-02 08:04:25 (Show Source):
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expressions/379325: x - y - (y - x) - 4 and 3x + 3(y + 2) tell whether the system has no solution, exactly one solution, or infinitely solutions. 1 solutions
Answer 269419 by Fombitz(13828) on 2010-12-01 22:59:47 (Show Source):
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Quadratic_Equations/379391: How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain. Provide your classmate’s with one or two solutions with which they must create a quadratic equation.
1 solutions
Answer 269410 by Fombitz(13828) on 2010-12-01 22:55:23 (Show Source):
You can put this solution on YOUR website!Use the discriminant.

If  , two real solutions.
If  , one real solutions.
If  , two complex solutions.
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If the solutions are  and  , then

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Yes, but they are only different by a constant multiplier.

and
 both has  and  but only differ by the constant multiplier in front.
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Graphs/379392: What is the formula or method of coming up with a line that is perpendicular to and equation and passes through a specific point...
ex: equation of a line that is perpendicular to 3x-4y=10 and passes through (-1,2) 1 solutions
Answer 269403 by Fombitz(13828) on 2010-12-01 22:51:11 (Show Source):
You can put this solution on YOUR website!Find the slope of the line.

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Perpendicular lines have slopes that are negative reciprocals,

Use the slope intercept form of a line,

Use the point (  ,  ) to solve for  ,

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Inequalities/379079: use the function f(x)= -3(x-3)(x+3)(x-2) to find the x intercepts, the leading coefficient and then draw a sketch of the graph of f(x). thank you so much! 1 solutions
Answer 269236 by Fombitz(13828) on 2010-12-01 16:36:21 (Show Source):
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