How do you find an extraneous solution from an equation such as
When the answer should be written out as

I would really like to learn how to do these questions properly and without looking them up.
Thank you!

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

The following graph shows the consumer price index (cpi) for a fictional country from 1970 to 1980? a.) 1976 - 1978b.) 1972 - 1974c.) 1974 - 1976d.) 1978 - 1980

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]