Alerts Wishlist Cart

If the roots of the quadratic equation ax^2 + bx + c = 0 are equal, which of the following must be true? (2019)

Practice Questions

1 question
Q1
If the roots of the quadratic equation ax^2 + bx + c = 0 are equal, which of the following must be true? (2019)
  1. b^2 > 4ac
  2. b^2 < 4ac
  3. b^2 = 4ac
  4. a + b + c = 0

Questions & Step-by-step Solutions

1 item
Q
Q: If the roots of the quadratic equation ax^2 + bx + c = 0 are equal, which of the following must be true? (2019)
Solution: For the roots to be equal, the discriminant must be zero, which means b^2 = 4ac.
Steps: 0

Related Questions

I
If the perimeter of a rectangle is 50 cm and the length is 15 cm, what is the wi
Question: If the perimeter of a rectangle is 50 cm and the length is 15 cm, what is the width? (2020..
S
Solve for x: 3x - 7 = 2x + 5. (2021)
Question: Solve for x: 3x - 7 = 2x + 5. (2021)Options: 1211109Correct Answer: 12Exam Year: 2021Solut..
I
If the ratio of the sides of a triangle is 3:4:5, what type of triangle is it? (
Question: If the ratio of the sides of a triangle is 3:4:5, what type of triangle is it? (2019)Optio..
I
If the roots of the equation x^2 + 2x + k = 0 are -1 and -3, what is the value o
Question: If the roots of the equation x^2 + 2x + k = 0 are -1 and -3, what is the value of k? (2022..
T
The quadratic equation x^2 + 6x + k = 0 has roots that are both negative. What i
Question: The quadratic equation x^2 + 6x + k = 0 has roots that are both negative. What is the cond..
Biology (School & UG)
Biology (School & UG)
Chemistry (School & UG)
Chemistry (School & UG)
Civil Engineering
Civil Engineering
Commerce & Accountancy
Commerce & Accountancy
Computer Science & IT
Computer Science & IT
Current Affairs & GK
Current Affairs & GK
Data Structures & Algorithms
Data Structures & Algorithms
eBooks
eBooks
Electrical & Electronics Engineering
Electrical & Electronics Engineering
English (School)
English (School)
General Aptitude
General Aptitude
General Knowledge
General Knowledge
General Knowledge & Current Affairs
General Knowledge & Current Affairs
Languages & Literature
Languages & Literature
Law & Legal Studies
Law & Legal Studies
Major Competitive Exams
Major Competitive Exams
Mathematics (School)
Mathematics (School)
Mechanical Engineering
Mechanical Engineering
Medical Science
Medical Science
Physics (School & Undergraduate)
Physics (School & Undergraduate)
Quantitative Aptitude & Reasoning
Quantitative Aptitude & Reasoning
Social Science (School)
Social Science (School)
Technical
Technical
Verbal and Reasoning
Verbal and Reasoning
Vocational & Skill Development
Vocational & Skill Development
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely