Oliviakanaan Oliviakanaan
  • 21-11-2021
  • Mathematics
contestada

Show that x^2-8x+20 can be written in the form (x-a)^2+a where a is an integer

Respuesta :

Eddie1Wan
Eddie1Wan Eddie1Wan
  • 21-11-2021

Step-by-step explanation:

Let's complete the square

x²-8x=-20

x²-8x+(-4)²=-20+(-4)²

x²+(-4)²=-20+16

(x-4)²=-4

(x-4)²+4

where a is an integer as required

Answer Link

Otras preguntas

Using the given zero, find one other zero of f(x). 2 - 4i is a zero of f(x).= x4 - 4x3 + 21x2 - 4x + 20 a.1 + i b.1 c.1 - i d.2 + 4i
Triangle ABC is an isosceles triangle. Sides AB and BC are congruent.
PLZ HELP NEED ASAP 20 POINTS PLZ FIRST PERSON TO ANSWER WITH THE RIGHT ANSWER GET BRANILYEST question 13
Please help me!Choose the correct solution and graph for the inequality. 4-6
What is the calculator display for 5/12
how do informal and formal learning differ?
help me?????? please
According to clark, what happens at the Buffalo Dance?.
Which air masses influence much of the weather in north america, especially east of the rocky mountains? a. maritime tropical and continental polar b. maritim
Identify a contemporary issue that indicates a breakdown of the rule of law. A. poverty B. global warming C. education system D. perjury