Question

Match the following with the correct answer. I'll give a fan and a medal for the correct answer.
y = x² - 2x + 1
y = 2x² + 4
y = |-3x|
y = -|2x|
y = x² - 2x
y = |-x|

Answer 1

Use wolframalpha to do your problem
http://www.wolframalpha.com/input/?i=plot+x^2+-2x+%2B1

Answer 2

http://www.wolframalpha.com/input/?i=plot+2+x^2+%2B4

Answer 3

Thank you so much

Answer 4

YW
http://www.wolframalpha.com/input/?i=plot+ |+-+3+x|
You can do the rest now