sloamitlopez
sloamitlopez
26-04-2017
Mathematics
contestada
identify the roots f(x)=3x^2-27
Respuesta :
apologiabiology
apologiabiology
26-04-2017
factour ouf 3
f(x)=3(x²-9)
recognize diference of 2 perfect squres
a²-b²=(a+b)(a-b)
x²-9=x²-3²=(x+3)(x-3)
so
f(x)=3(x+3)(x-3)
seto to zero to find roots
0=3(x+3)(x-3)
0=x+3
-3=x
0=x-3
3=x
roots at x=-3 and 3
Answer Link
VER TODAS LAS RESPUESTAS ( 84+ )
Otras preguntas
4. Mindy has two secret numbers. Her numbers are prime numbers and they are between the numbers 18 and 25. List Mindy's two numbers. 19, 25 18, 25 24, 25 19, 23
Solve the following inequality
He named the building blocks of all living things “cells”
I wou prefer / rather to do ..., because ... Work with a partner. Your teacher has asked you and your partner to research and write a project about a mystery in
In the 1970s, Kodak dominated the film-based photography market until Polaroid introduced instant photography. Polaroid is an example of Multiple Choice offshor
Briefly explain the figure of the Bodhisattva and the idea of compassion in Mahayana Buddhism
Find the concentration of 0.75 mol.dm-³ AgNO3
The Iliad and The Odyssey were most likely _____. A. written by authors who survived the Trojan War and knew Odysseus. B. short summaries of the war and the war
Two sides of a right triangle measure 7 units and 3 units
Decipher the code to all those whoosh so thy cumotour era 3 beasts keeping calling on meeeei guessing who-BRAINLY ANTI-CONTROL
