23-01-2022
Mathematics

contestada

Find the value of k such that the equation (k+4) x^2 + 2(k+1)x +(k-1)= 0 has equal roots

Respuesta :

jodiebugg82 jodiebugg82

23-01-2022

Answer:

b^2-4ac(formula for finding the roots )

Step-by-step explanation:

1)9-4k=0

k=9/4(roots are real )

2)4-4k+4=0

8-4k=0

k=2(the roots are real )

3)64-8k=0

k=8

4)36-16k+16=0

52-16k=0

k=52/16=13/8

16-4k+4=0

k=5

Step-by-step explanation:

Answer Link

Otras preguntas

how far is the planets is away from the sun

People get caffeine from a variety of sources: coffee, tea and caffeine soda. Suppose that among adults, 55% drink coffee, 25% drink tea, and 45% drink soda. Fu

Why is Texas a formal region?

the heart pumps blood. arteries, veins, and capillaries distribute blood to the body. together, the heart, blood, arteries, veins, and capillaries make up a A.

Which excerpt from The Awakening best illustrates the idea that Edna is losing control of her life?

What car company has the slogan 'Built To Last'?

The Mayflower Compact ·House of Burgesses ·Fundamental Orders of Connecticut Each of these terms dealt with the idea of. A self government B direct democracy C

If you were hoping to acknowledge another person according to the norms or rules of a society, which category of touch would be most appropriate? A. scoial-po

14. The difference of twice a number and 7 is 9.15. Ten less the quotient of a number and 3 is 6.16. Five times the sum of a number and 4 is –15.

The population of Pinecrest 18,00. Lakewood's 21/25 of Pinecrest. What is Lakewood's population? A. 21,149 B. 15,120 C. 741 D. 721