Lesson 8-‐5 HW Answers Pg. 441/ #1 – 5, Pg. 442/ #1 – 4 (9 ques3ons)
Additional Practice 1.
4.
x=3 2.
no real solution 5. 2 seconds
x = 2 or x = −2 3.
x = -3 or x = 1
Problem Solving 1.
2. 8 seconds; 400 feet
3. x = 3; x = 13
4. The firework launches at 3s; The firework lands at 13s