Question

Help with checking work with Classifying Conics by Using the Discriminant

Answer 1

Identify the value for C in the following equation that would make the conic section a parabola:

2x^2 − 4xy + Cy^2 + 5y − 3 = 0

Answer 2

-4^2-4(2)(c)
16-8c=0
c=8/16?

Answer 3

@triciaal

Can you help me figure out what I did wrong. My answer doesn't match the multiple choice :(

C=3/5

C = 2

C = 5

C = -2

C = -1

Answer 4

oh wait -8c=-16
c=-16/8

Answer 5

c=-2

Answer 6

negative divided by negative is positive

Answer 7

would be positive 2 s; i messed up