subject
Mathematics, 01.04.2021 21:20 CamFootball638

This is Adele’s solution for the equation. x² - 8x – 33 = 0
Step 1: x² - 8x = 33
Step 2: x² - 8x + 16 = 33 + 16
Step 3: (x – 4)² = 49
Step 4: x – 4 = 49 OR x – 4 = - 49
Step 5: x = 53 OR x = - 45
Where did Adele make her mistake? What are the solutions to this equation? Show all of your work.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
Which expression is equivalent to 2x^2+7x+4?
Answers: 3
question
Mathematics, 21.06.2019 17:30
To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers
Answers: 2
question
Mathematics, 21.06.2019 18:30
The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?
Answers: 3
question
Mathematics, 21.06.2019 21:30
Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?
Answers: 1
You know the right answer?
This is Adele’s solution for the equation. x² - 8x – 33 = 0
Step 1: x² - 8x = 33
Step 2...
Questions
question
Mathematics, 21.01.2021 07:00
question
Mathematics, 21.01.2021 07:00
question
German, 21.01.2021 07:00
question
SAT, 21.01.2021 07:00
Questions on the website: 13722367