Answered

1)A discriminant of 0 indicates what type of roots?


A)Two Complex

B)One Rational Double

C)Two Rational

D)Two Irrational


2)The quadratic 2x2 + 6x + 3 has what type of roots?


A)Two Irrational

B)Two Complex

C)One Rational Double

D)Two Rational


3)The quadratic x2 + 20x + 100 has what type of roots?

Answer

A)Two Irrational

B)Two Rational

C)One Rational Double

D)Two Complex


4)What is the possible discriminant of the graph?(graph in the link)


A)0

B)–11

C)73

D)25


5)What is the possible discriminant of the graph?(Graph in the link)


A)0

B)17

C)25

D)–15

...?

Verified Answer :

metchelle

Here are the answers to the given questions above.
1. A discriminant of 0 indicates  a rational double, which will be -b/2a for a quadratic of the form ax^2 + bx + c. The answer would be C.
2. The quadratic 2x2 + 6x + 3 has two irrational roots. The answer would be option A.
3. The quadratic x2 + 20x + 100 has One Rational Double root. The answer would be C.
4. The possible discriminant of the graph given would be -11. The answer is option B.
5. The possible discriminant of the graph given would be 0. The answer is A.
Hope these answers help.

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