CTEVT Prep
Course
Practice
Question Bank
Mock Test
Papers
Guidance
AI Assist
Log In
Sign Up
Algebra
easy · Past Paper
Questions
Mathematics
Algebra
Quadratic Equations
The discriminant of 3x^2 + 2x - 1 = 0 is:
A
16
B
8
C
4
D
0
✓ Correct Answer: A — 16
D = 2^2 - 4(3)(-1) = 4 + 12 = 16.
Share this question
WhatsApp
Twitter / X
Copy Link
More from Algebra
Factorize 2x^2 + 7x + 3.
If 3x + 2 = x + 10, then x is:
If a + b + c = 0, find the value of a^3 + b^3 + c^3.
Which value of k makes x^2 + kx + 16 a perfect square?
The LCM of 12(x-1)^3 and 15(x-1)(x+2) is: