Given (2k-1)x^2 + (k-5)x-6 = 0
Determine the value of k so that
a. one root is 2
b. sum of the roots is -1/3
c. product of the roots is -6/7

Question

Given (2k-1)x^2 + (k-5)x-6 = 0
Determine the value of k so that
a. one root is 2
b. sum of the roots is -1/3
c. product of the roots is -6/7

anonymous · Answer

@terenzreignz can you help me again??

terenzreignz · Answer

Quadratic formula again?
$$\Large \color{red}{(2k-1)}x^2+\color{blue}{(k-5)}x \color{green}{-6}=0$$
Solve for x.

anonymous · Answer

ah .. i know na .. :) HAHA. yun lng pala yun . :)

terenzreignz · Answer

tsk

anonymous · Answer

sorry naman .. mejo slow kasi .. :( mapapatawad pa ba?

anonymous · Answer

@terenzreignz   wait .. di ko pa pala alam .. tss. :(

terenzreignz · Answer

Sige, ano muna solution ng x?
Solve for x (gamit quadratic formula)

anonymous · Answer

i don't know .. may "k" kasi .. pano ga iyon?

terenzreignz · Answer

Paano ga iyon?
Ala, eh, di iplug-in mo sa quadratic formula, eh

anonymous · Answer

hala! di ko talaga alam.. tss.. asar ang math! >,<

terenzreignz · Answer

Here we go again...<sigh>
$$\Large x = \frac{-\color{blue}b\pm \sqrt{\color{blue}b^2 - 4\color{red}a\color{green}c}}{2\color{red}a}$$

anonymous · Answer

|dw:1374068014179:dw| ganyan? o mali?