emmaleighhuskins16 emmaleighhuskins16

04-05-2021
Mathematics

contestada

What value of k makes the trinomial x^2- 10x + k a perfect square?

Respuesta :

keijosalonen keijosalonen

05-05-2021

Answer: 25

Step-by-step explanation: (x-a)² = x² - 2ax + a²

From x² - 10x + k we deduce that 10x = 2·5x and a = 5

Then k = 5²2

Answer Link

Otras preguntas

Email communication has its own set of etiquette guidelines for users to follow if they want to be effective communicators. Which of these is NOT one of these g

The Truman doctrine, Korean War, crisis in Guatemala, and soviet invasion of Afghanistan were all?

for any given gene, what ultimately determines which dna strand serves as the template strand?

how to add an accent mark

what environmental conditions might cause damage to the alveolar sacs, and what would be the consequences of that damage?

what is the period that followed the end of the western roman empire known as?

as electrons are passed through the system of electron carriers associated with photosystem ii, they lose energy. what happens to this energy?

what is 8.525 rounded to the nearest tenth

Which set of numbers is included as part of the solution set of the compound inequality x < 6 or x > 10? {–7, –1.7, 6.1, 10} {–3, 4.5, 13.6, 19} {0, 6, 9

what game's name is derived from a swahili word meaning to build?