Question 5
Quadratic EquationsSolve 4x2 + 20x − 24 = 0
- A.1, 6
- B.−1, −6
- C.6, −1
- D.−6, 1
Show the answer and explanation
Answer: D (−6, 1)
Explanation
Divide by 4: x² + 5x − 6 = (x + 6)(x − 1) = 0, so x = −6 or 1.
Solve 4x2 + 20x − 24 = 0
Answer: D (−6, 1)
Divide by 4: x² + 5x − 6 = (x + 6)(x − 1) = 0, so x = −6 or 1.