## variables,expressions,and equation., Algebra

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#### Sketch the graph of hyperbolas, Example : Sketch the graph of hyperbolas. ...

Example : Sketch the graph of hyperbolas.                                  ( x - 3) 2 /25 - ( y + 1) 2 /49 =1 Solution Now, notice that the y term contain the minus sig

#### Parallel and perpendicular, what is the perpendicular line for y= -x= -3;(-...

what is the perpendicular line for y= -x= -3;(-2,-2)

#### Need help Urgently!, I have quite a complex formula I need resolved, I can'...

I have quite a complex formula I need resolved, I can''t get my head around. I have got so far but I personally don''t know how to proceed further. HELP!

-8x+9x-13x

#### Real distinct solutions, By Using the discriminant find out which solution ...

By Using the discriminant find out which solution set we obatin for each of the following quadratic equations.                                           13x 2 +1= 5x Soluti

#### Inequalities, Solve: 3/x+2 less tan or equal to 4

Solve: 3/x+2 less tan or equal to 4

#### Gaussian elmination, 3x-y+2z=14 x+y-z=0 2x-y+3z=18

3x-y+2z=14 x+y-z=0 2x-y+3z=18

#### Process to solve polynomial inequalities, Solve x 2 -10 Solution ...

Solve x 2 -10 Solution There is a quite simple procedure to solving these.  If you can memorize it you'll always be able to solve these kinds of inequalities. Step 1:

#### Substitution, How do you do out a substitution problem and then graph it?

How do you do out a substitution problem and then graph it?