dgaina21 dgaina21
  • 27-09-2022
  • Mathematics
contestada

a) The quadratic x^2-4-21 can be written in the form (x+a)^2+b find the values of a and b

b) Hence, or otherwise, solve the equation x^2-4x-21=0

Respuesta :

Otras preguntas

Describe a apartan unbringing. How does this differ from the childhood of an american
Which nutrient can not be digested?A. FiberB. FatC. Protein
what is an equation for: fifteen tickets cost 193.75. what is the average cost of each ticket
What was kamehameha age when he died
Coefficient of xy^6 in expansion of (2x-y^3)^3
Say there are two integers that are both negative, and you subtract them. would the answer be positive, or remain negative?
Soy dependiente en una tienda de electrodomésticos. Vendo _____. A. equipos de sonido B. bolsos C. cadenas D. perfumes
what size is smaller, 5/16, 1/4, 1/2, 3/8?
Which of the following jobs would only require on-the-job training? Computer programmer,fashion designer,customer service agent or communications analyst
How do you do 43? I'm really confused.
ACCESS MORE