amalalaosundu7832 amalalaosundu7832

23-01-2021
Mathematics

contestada

if 1 is a root of the equation
[tex]5x^{2} +kx - 3 = 0 [/tex]
find the other root

Relax

Respuesta :

ChoiSungHyun ChoiSungHyun

23-01-2021

Step-by-step explanation:

5x² + kx - 3 = 0 has a root x = 1.

=> 5(1)² + (1)k - 3 = 0

=> 5 + k - 3 = 0

=> k = -2.

Therefore we have 5x² - 2x - 3 = 0.

=> (x - 1)(5x + 3) = 0

=> x = 1 or x = -3/5.

Hence the other root is -3/5.

Answer Link

Otras preguntas

What is twenty five times three?

A motorist travelled 348km in 6 hours' Find his average speed in km/h

Whose unexpected reaction after one of George Whitefield's sermons demonstrated how powerful Whitefield's preaching style was?.

A rectangle is 12m longer than it is wide its perimeter is 68 find its length and width

If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its radius is a 6 b 16 c 36

How did many southerners view the North in the mid-1800s? Southerners thought that the North's wage labor system was a bad system. Southerners thought that the

change 116% into a fraction and simplify

does the naturalization process work well and does that process achieve it's goals?

Is a whelk a omnivore carnivore or herbivore?

the deep end of a swimming pool is 15 meters. How deep is this in centimeter