SOLUTION: 1. Consider the family of parabolas given by y=-x^2-10x+c a) Sketch 3 distinct members of this family of parabolas such that there are 2, 1 and zero x intercepts. b) Determi

Question 1014734: 1. Consider the family of parabolas given by y=-x^2-10x+c
a)
Sketch 3 distinct members of this family of parabolas such that there are 2, 1 and zero x intercepts.
b)
Determine the number of x intercepts in terms of the parameter c.

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

.
Use the determinant.

For 2 roots,

For 1 root,

For no roots,

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