Saturday

July 4, 2015

July 4, 2015

Total # Posts: 209

**algebra**

Divide (6-3i) by (2+i) I would muliply numerator and denominator by 2-i. Then it becomes much easier.
*January 18, 2007*

**algebra**

Divide (3x^3-x^2+8x-9) by (x-1) Please help! I'll show you how this works out: 3x^2 + 2x + 10 x - 1 | 3x^3 - x^2 + 8x - 9 3x^3 - 3x^2 2x^2 + 8x 2x^2 - 2x 10x - 9 10x - 10 1 Remember when you subtract, you change the signs. This did not divide evenly, so you will have a ...
*January 18, 2007*

**algebra**

find F(2) for the polynomial shown below. F(x)=(x^4)-(2x^3)+(3x^2)-(10x+3'0 Substitute 2 for x in the polynomial to work this out. Be sure to watch your signs! I hope this will help.
*January 17, 2007*

**algebra 2**

can someone please explain synthetic division to me? It's just a specialized way to divide a polynomial by a linear factor using long division. I don't see the reason why anyone would want to learn this technique, because it's just long division. If you type "...
*January 17, 2007*

**Algebra**

The area of a square garden in square feet is 49x^2-14x+1. Find the dimensions of the garden in terms of x. FActor the quadratic:(7x-1)^2 Gee, a square. the dimensions are 7x-1 on each side. FActor the quadratic:(7x-1)^2 the dimensions are 7x-1 on each side. Thats a ...
*January 9, 2007*

**algebra-Plz help**

Posted by bailey on Monday, January 8, 2007 at 8:32pm. Posted by bailey on Monday, January 8, 2007 at 2:12pm. The area of a rectangular blanket in square centimetersis 40x^2+2x-65. The width is 4x-5cm^2. Find the dimensions of the blanket in terms of x. Can someone plz help ...
*January 9, 2007*

**Algebra**

Posted by bailey on Monday, January 8, 2007 at 2:12pm. The area of a rectangular blanket in square centimetersis 40x^2+2x-65. The width is 4x-5cm^2. Find the dimensions of the blanket in terms of x. Can someone plz help with this? Do you have any more information that you are ...
*January 8, 2007*

**Algebra**

The area of a rectangular blanket in square centimetersis 40x^2+2x-65. The width is 4x-5cm^2. Find the dimensions of the blanket in terms of x.
*January 8, 2007*

**algebra help**

My class is doing a unit on the "completing the square method" which is used to solve quadratic equations. I need help understanding this method. It's not making any sense right now! I have two problems and I need to figure out which number completes the square. ...
*January 4, 2007*