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

Which best describes the purpose of President Kennedy’s Peace Corps program? to send volunteers interstate to learn about regions of the United States to help d

Why do i feel full after drinking coffee?

What was the central concern of families in the Maurya and Gupta Empires? a.attaining social recognition b.gaining local power and influence c.follo

A hydrogen atom is removed from the first carbon atom of a butane molecule and is replaced by a hydroxyl group. draw the new molecule formed.

Find all solutions of the equation in the interval [0, 2π). (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) 4 sec2 x

Evelyn is making a candy that contains 25% dark chocolate and the rest milk chocolate. The candy has 3 pounds of milk chocolate. Part A: Write an equation usin

Which expression represents the product of 8 and y?

the oldest known vascular plants in the northern hemisphere are Devonian

What is the smallest angle of rotation for a regular polygon is 18, how many sides does polygons have?

What is the reliable form of birth control?