aakashsajith1 aakashsajith1

06-08-2020
Mathematics

contestada

1. If one zero of the quadratic polynomial kx² + 3x + k is 2 then the value of k is *

Respuesta :

06-08-2020

Answer:

Step-by-step explanation:

Given one zero of the quadratic polynomial kx² + 3x + k is 2,

Substitute x = 2 in the polyomial , we get

k(2)²+3×2+k = 0

=> 4k + 6 + k = 0

5k+6 = 0

5k= -6

k= -6/5

Therefore,

Value of k = -6/5

Ver imagen Rushal

Answer Link

Otras preguntas

How do you sole this question kelpie sold cameras on her web site. She bought the cameras for $65 each included a 60% markup to get the selling price. To the ne

What is the area of the polygon? A. 134 cm2 B. 170 cm2 C. 202 cm2 D. 238 cm2

Which of the following statements is FALSE? A. Odysseus was the first to leave for Troy in support of King Menelaus. B. The Trojan War lasted 10 years. C. Odyss

Find the pair of words that has the same kind of relationship as the numbered pair. antipathy : hatred :: A. apathy : fatigue B. pathos : suffering C. amity : f

Which sentence is punctuated correctly? Puhlavi drove the kids to school, and went to work. Jamarius rode his bike to the restaurant but Amber skateboarded. Dia

Which of the following is true about new foreign treaties? They prevent the formation of alliances with other countries. They do not have an effect on the domes

what is the distribution of earthquakes and volcanoes over the surface of the earth. are they scattered at random or they concentrated in zones

A judgment made before all the facts are known must be called ------- . (A) harsh (B) deliberate (C) sensible (D) premature (E) fair

What was one reason that countries wanted colonies due to the Industrial Revolution? new source of power new products and resources new source of workers new la

What is the area of this regular polygon? A. 62.5 cm2 B. 148.5 cm2 C. 1075 cm2 D. 2150 cm2