Use the sliders on the interactive to determine the shape of the conic when A and C equal specific values.
AR+ Cy? +x+y - 9 = 0
A= 1, C = 5, Conic Type:
A=-2, C = 4, Conic Type:
A=0, C=-1.5. Conic Type:
A=0.5, C = -2, Conic Type:
A = -3.5, C =-3.5. Conic Type:

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.