loganswain45 loganswain45
  • 23-05-2016
  • Mathematics
contestada

what are the zeros of the function f(x)=x^2-2x-15

Respuesta :

caylus
caylus caylus
  • 23-05-2016
Hello,

f(x)=x²-2x-15=x²-2x+1-16=(x-1)²-16
=(x-1-4)(x-1+4)=(x-5)(x+3)
Zeroes are x=5 or x=-3

Answer Link

Otras preguntas

Pretend you are a British government official during the time leading up the revolutionary war. Write a 2-3 paragraph letter to the editor of your local newspap
a bookshelf is 30 inches wide. Each book is 2 11/16 inches wide. How many books fit in the bookshelf?
How would you respond back in Spanish?
Jeremy and Cerardo run at constant speeds. Let x = time and y= distance. Assuming they run the same path, when will Jeremy catch up to Cerardo? 10 minutes 3 min
People with a/an _______ learning style are most likely to enjoy exploring a writing topic thoroughly and completely, without restricting themselves by rules or
What is the value that will grow to 24000 if intetest is 8% compounded quarterly for 15 quarters?
Claire’s grandmother and grandfather brought _____ piano with them from Europe many years ago. Which personal pronoun correctly completes the sentence if Clair
Trying to relate to the text as you read will
When did Henry VIII lead England's Reformation and establish the Protestant Church of England?
Two sides of a triangle have lengths of 20 inches and 34 inches. Which could be the length of the third side?A.  4 inchesB.  60 inchesC.  14 inchesD.  27 inches