![subject](/tpl/images/cats/mat.png)
Mathematics, 22.03.2021 19:00 miyapooh9447
Melinda derives the quadratic formula from the following equation, and her first four steps are shown below.
ax2 + bx + c = 0, where a + 0
Melinda's steps:
Step 1: r? +
bx
+
= 0
a
Step 2: x2 + bx =
c
a
a
Step 3: x2 +
+
b2
2a
a
a
Step 4:
+
с
*
)
2a
Are Melinda's first four steps correct?
• If her steps are correct, explain how you know.
• If her steps are incorrect, name the mistake(s) she made and explain how you know.
Respond in the space provided.
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:10
Which of the following is the shape of a cross section of the figure shown below
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:40
21 type the correct answer in each box. if necessary, round your answers to the nearest hundredth the vertices of abc are a(2,8), b(16, 2), and c(6,2). the perimeter of abc is units, and its area is square units
Answers: 2
You know the right answer?
Melinda derives the quadratic formula from the following equation, and her first four steps are show...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 03:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 02.09.2021 03:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 03:00
![question](/tpl/images/cats/istoriya.png)
History, 02.09.2021 03:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 03:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 03:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 03:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.09.2021 03:00