Find c Quiz
Name: ______________________ Date: __________ Score: ____ / 10
10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-1/find-c/quiz/
1
x2 + 6x + c = 0 has exactly one solution. Find c.- A) c = 9
- B) c = 36
- C) c = 0
- D) c = 3
2
x2 − 10x + c = 0 has exactly one solution. Find c.Answer: ____________________
3
x2 − 8x + c = 0 has exactly one real solution. Find c.- A) c = 1
- B) c = 64
- C) c = 0
- D) c = 16
4
x2 + kx + 9 = 0 has exactly one solution. Find k.Answer: ____________________
5
2x2 − 8x + c = 0 has exactly one solution. Find c.- A) c = −8
- B) c = 8
- C) c = 0
- D) c = 64
6
x2 + 5x + c = 0 has exactly one solution. Find c.Answer: ____________________
7
x2 − 6x + c = 0 has two real solutions. Find c.- A) c < 36
- B) c < 9
- C) c < −36
- D) c < 0
8
x2 + kx + 16 = 0 has exactly one solution. Find k.Answer: ____________________
9
−x2 + 6x + c = 0 has exactly one solution. Find c.- A) c = 0
- B) c = −9
- C) c = 36
- D) c = −36
10
x2 + 10x + c = 0 has no real solutions. Find c.Answer: ____________________
Answer key
- A c = 9
- c = 25
- D c = 16
- k = 6 or k = −6
- B c = 8
- c = 254
- B c < 9
- k = 8 or k = −8
- B c = −9
- c > 25
Every answer solved step by step: steplyclass.com/algebra-1/find-c/quiz/answers/