Mathematics 10 — Exercise Review · Q1 (ii)
Full question
Find D for x²+5x−5=0. Choose the correct option.
| Option | Value |
|---|---|
| a | −20 |
| b | 20 |
| c | 25 |
| d | 45 |
Step-by-step solution
D = 5² − 4(1)(−5) = 25+20 = 45.
Answer
d: 45
Find D for x²+5x−5=0. Choose the correct option.
| Option | Value |
|---|---|
| a | −20 |
| b | 20 |
| c | 25 |
| d | 45 |
D = 5² − 4(1)(−5) = 25+20 = 45.
d: 45