Prove the equation of the lions passing through the origin and perpendicular to the lines given by ax²+2hxy+by²+2gx+2fy+c=0 is bx²-2hxy+ay²=0​

What is the correlation coefficient for the data? don't forget to turn the diagnoisticon (in the catalog menu of the calculator). r = answer (round to the nearest thousandth)

Pls! does anybody know a shortcut for answering these types of questions in the future?

Ill mark the brainliest if you me with the these three questions 7,8,9