ALgebra 2 Questions...?

Question

1: ...........................> 3x² + 7x + 2 = 0
{1/3, 3}
{3, 2}
{-2, -1/3}


2: ...........................> x² - 49 = 0
{-7, 7}
{7}
{-7}


3: ...........................> 2(x - 1)² - 9(x - 1) - 5 = 0
{6}
{1, 6}
{1/2, 6}


4: ...........................> x²(x + 2) - x(x + 2) - 12(x + 2) = 0
{-3, -2, 4}
{2, 4, 6}
{-2, 3, 5}


5: ...........................> 4x² + 8x + 4 = 0
{-2}
{-1}
{1, 2}

Answer 1

1. {-2, -1/3}
2. {-7,7}
3. {1/2, 6}
4. {-3,-2,4}
5. {1,2}

Answer 2

I will do one, all the others are solved with the same principle,
3x^2+7x+2=0
(3x+1)(x+2)=0, so one of the parentheses must=0,
3x+1=0, 3x=-1, x=-1/3 and
x+2=0, x=-2

Answer 3

Did you just copy and paste your homework? You are really going to regret it if you don't learn how to do this stuff. Math builds on top of each other, and if you don't learn the basics, you will be lost in all of your other math classes, or classes that use math.....which is pretty much everything. Don't cheat yourself! Math can be a lot of fun....I promise :)

Answer 4

1 : -2, -1/3

2: -7, 7

3: 1/2,6

4: -3,-2,-4

5: -1

Answer 5

do it by yourself "genius". Math is wonderful and great and you're not going to learn any of that greatness if you just copy and paste it.

Answer 6

Join this group to slove your problem & you can also check your answer in it. In this group there are many acivity about your subject. Its All are FREE.

http://groups.yahoo.com/group/gk_maths/

Answer 7

Oh God, is this factoring quadratic equations....? Good luck with that.

Answer 8

a graphing calculator would very much help!

Answer 9

do your homework by yourself