Question 39
Quadratic EquationsFind the smaller value of x that satisfies the equation: x2 + 7x + 10 = 0.
- A.−5
- B.−2
- C.2
- D.5
Show the answer and explanation
Answer: A (−5)
Explanation
(x + 5)(x + 2) = 0 gives x = −5 or −2. The smaller is −5.
Find the smaller value of x that satisfies the equation: x2 + 7x + 10 = 0.
Answer: A (−5)
(x + 5)(x + 2) = 0 gives x = −5 or −2. The smaller is −5.