02/15/13

#### how does the pythagorean theorem corolate to the quadratic formula

what exactly is the pathagorean system and what can it tell us about the quadratic formula

02/15/13

#### what's wrong with my answer, seems backwards

-4(a+3)-a
-4(a+3)-1a
-4(a+3) + -1a
3*4 + -4a + -1a
-12 + -4a + -1a
-12 + -5a
Answer should be -5 - 12

02/14/13

#### In order of operation, does combining like terms always come after reordering?

I understand that you work from left to right
I understand that first you solve what is inside ( ) then inside brackets and I understand that fractions are considered as symbols and they come...
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02/14/13

#### parabola equation from vertex and focus

How do you create a parabola equation from a vertex of (1,5) and a focus of (1,-9)?

#### The equation of the vertical line that passes through the point (4, -3)

need help with this equation

02/14/13

#### Unsure how to set up an equation for a word problem.

"I cashed a check at the bank and spent $1.41 before I realized the teller had transposed the dollars with the cents. I now had exactly 5 times the value of the original check. What was the amount...
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02/14/13

#### word problem

jennifer borrows 20,900 from her bank to open a flower shop. she agrees to repay in 18 months with simple annual interest of 10.4%.
A) how much must she pay the bank in 18mos
B) how much of the...
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02/14/13

#### Long Word Problem

You han an 1800 watt hair dryer that you use for an average of 10 minutes per day. Your utility company charges 12 cents per kilowatt hour of energy. How much does it cost to run the hair dryer...
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02/13/13

#### How to put { x l -6 < x < 12 } as a graph

Im not sure how to put { x l -6 < x < 12 } as a graph

#### the equation that represents the line that passes through the point (-2, -1) and has a slope of 5.

Not sure what the answer is to this one

02/13/13

#### How do I factor polynomials?

We already learned this in class but I still don't understand.

#### The correct x-intercept and y-intercept of the graph of the equation 3x - 4y = -12.

I got intercept = (3, 0); y-intercept = (0, -4). Am I right?

02/13/13

#### how long will it take to drive 410 miles you drive at a rate of 120 h/km and you make two different stops both of which were 15 minutes long?

how long will it take to drive 410 miles form Wolf Point to Helena given the following conditions you drive at a rate of 120 hourly and you make two different stops both of which were 15 minutes long?
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02/13/13

#### what is the difference between a graphed exponential and linear functions and how is the rate of change different?

Idk have a clue and i need the answer fast plz help!!

02/13/13

#### find an equation of the line containing the given pair of points (2,4) and (6,6)

How do I write
an equation of the line containing the given pair of points

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