Practice Test Answers

Four students are verifying that x squared plus x minus 12 is equal to open paren x minus 3 close paren times open paren x plus 4 close paren Their conclusions are presented in the table. Damien Lauryn Rico Latisha 3 times negative 4 is equal to negative 12 , so the factors are correct negative 4 plus 3 is equal to negative 1 , so the factors are correct negative 4 times 3 is equal to negative 12 and negative 4 plus 3 is equal to negative 1 , so the factors are correct 4 times negative 3 is equal to negative 12 and negative 3 plus 4 is equal to 1 , so the factors are correct Which student correctly verified that x squared plus x minus 12 is equal to open paren x minus 3 close paren times open paren x plus 4 close paren ?

The model represents a perfect square monomial. Open image in full-screen view What equation is represented by the model?

Marisol noticed that she does not have a common factor. Which accurately describes what Marisol should do next?

What are the length and width of the rectangle in terms of x ?