Advertisements
Advertisements
Question
The zeroes of the quadratic polynomial 16x2 – 9 are ______.
Options
`3/4, 3/4`
`-3/4, 3/4`
`9/16, 9/16`
`-3/4, -3/4`
Advertisements
Solution
The zeroes of the quadratic polynomial 16x2 – 9 are `underlinebb(-3/4, 3/4)`.
Explanation:
16x2 – 9 = 0
(4x – 3)(4x + 3) = 0
∴ x = `± 3/4`
RELATED QUESTIONS
The graphs of y = p(x) are given in following figure, for some polynomials p(x). Find the number of zeroes of p(x).
Find the zeros of the polynomial x2 – 3x – m(m + 3).
Find the value of k such that the polynomial x2 − (k + 6)x + 2(2k −1) has sum of its zeros equal to half of their product.
If one zero of the quadratic polynomial x2 + 3x + k is 2, then the value of k is ______.
A quadratic polynomial, whose zeroes are -3 and 4, is ______.
A quadratic polynomial, whose zeores are -4 and -5, is ______.
If one of the zeroes of the cubic polynomial x3 + px² + qx + r is -1, then the product of the other two zeroes is ______.
If the graph of a polynomial intersects the x-axis at exactly two points, it need not be a quadratic polynomial.
If α and β are the zeroes of the polynomial x2 – 1, then the value of (α + β) is ______.
The number of polynomials having zeroes – 3 and 4 is ______.
