Welcome to Westonci.ca, where your questions are met with accurate answers from a community of experts and enthusiasts. Join our platform to connect with experts ready to provide precise answers to your questions in various areas. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.
Sagot :
The mistake each student made and what each student needs to do to fix their mistake is;
- Amy didn't include the negative sign for the 20, so she should include it
- Richard added a negative sign underneath the radical
Quadratic equation
x² - 6x + 8 = 0
x = - b ± √b² - 4ac / 2a
where,
- a = 1
- b = -6
- c = 8
x = - b ± √b² - 4ac / 2a
= -(-6) ± √(-6)² - 4(1)(8) / 2(1)
= 6 ± √36 - 32 / 2
= 6 ± √4 / 2
= 6 ± 2 / 2
x = 6/2 + 2/2 or 6/2 - 2/2
= 3 + 1 or 3 - 1
x = 4 or 2
Learn more about quadratic equation:
https://brainly.com/question/1214333
#SPJ1


Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. We're dedicated to helping you find the answers you need at Westonci.ca. Don't hesitate to return for more.