PRC-2 · Chapter 1 · Question 31 of 45
Which of the following expressions is a quadratic equation?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) 3x^2 - 4x + 7 = 0
Explanation
A quadratic equation is defined by having its highest power of the variable (x) as 2. Selection B follows the standard format ax^2 + bx + c = 0.
More Linear And Quadratic Equations MCQs
- Q33In the quadratic formula x = [-b ± √(b^2 - 4ac)] / 2a, what is the term (b^2 - 4ac) specifically called?
- Q34If the discriminant of a quadratic equation is exactly zero (b^2 - 4ac = 0), what can be concluded about its roots?
- Q35What are the roots of the quadratic equation x^2 - 7x + 10 = 0?
- Q36An algebraic expression that contains exactly two terms is called a:
- Q37If two lines represented by linear equations have the exactly same slope but different y-intercepts, they are: