Advertisements
Advertisements
Question
Find the value of the discriminant in the following quadratic equation:
2x2 - 3x + 1 = O
Advertisements
Solution
2x2 - 3x + 1 = O
Discriminant = b2 - 4ac
= (-3)2 - 4(2)(1)
= 9 - 8
= 1
APPEARS IN
RELATED QUESTIONS
Solve the following quadratic equation by using formula method: 5m2 + 5m – 1 = 0
Find the values of k for which the given quadratic equation has real and distinct roots:
kx2 + 2x + 1 = 0
Find the value(s) of k so that the quadratic equation 3x2 − 2kx + 12 = 0 has equal roots ?
Determine the nature of the roots of the following quadratic equation :
x2 -4x + 4=0
Solve the following quadratic equation using formula method only
`3"x"^2 - 5"x" + 25/12 = 0 `
Without actually determining the roots comment upon the nature of the roots of each of the following equations:
`2sqrt(3)x^2 - 2sqrt(2)x - sqrt(3) = 0`
If a is a root of the equation x2 – (a + b)x + k = 0, find the value of k.
Discuss the nature of the roots of the following equation: `sqrt(3)x^2 - 2x - sqrt(3)` = 0
Which of the following equations has two real and distinct roots?
For the equation \( x^{2} + 2x - 9 = 0 \), what conclusion is drawn about its roots since \( b^{2} - 4ac = 40 \)?
