0
What is the discriminant of this equation 8x2 plus 5x plus 6 equals 0?
Wiki User
∙ 7y ago
It is: 25-4(8*6) = -167
Wiki User
∙ 7y ago
Wiki User
∙ 7y agoThe discriminant is -167.
Add your answer:
Earn +20 pts
What is the discriminant of 8x2-2x plus 8 equals 0?
(-2)2-4*8*8 = -252 The discriminant is less than zero so there's no solution to the quadratic equation.
How do you solve 8x2 plus 16x plus 8 equals 0?
8x2 + 16x + 8 = 0
9x2 - 2x plus 25 equals 8x2 plus 8x?
x=5
Solve the equation by factoring 15 equals 8x2-14x?
15 = 8x2 - 14x; whence, 8x2 - 14x - 15 = (2x - 5)(4x + 3) = 0. Therefore, x = 5/2 or -3/4.
What is the solution set of the quadratic equation 8x2 plus 2x plus 1 0?
There is no equals sign visible but, taking the equation to be8x2 + 2x + 1 = 0,the solutions are the complex conjugate pair, -1.25 ± 0.330719*i where i is the imaginary square root of -1.
What are the factors of this quadratic equation 8x2 plus 2x -1?
8x2 + 2x - 1 = 8x2 + 4x - 2x - 1 = 4x(2x + 1) - 1(2x + 1) = (4x - 1)(2x + 1)
8X2 plus 16X plus 8 equals?
8x2 + 16x + 8 = 8*(x2 + 2x + 1) = 8*(x + 1)2
What is 8x2 equals?
16.
How do you get the product 16 with the numbers 2 3 5 and 8?
You can multiply 8x2 or if you can put addition into the equation you can do (3+5)x2! If you need proof here it is 8x2 can be shown as 8+8 Which equals 16.
What is the answer to -4x2 minus 32x plus x plus 8 equals 8x2 minus 56x?
-4x2 - 32x + x + 8 = 8x2 - 56x : simplify and group the various terms-32x + 56x + x + 8 = 8x2 + 4x225x + 8 = 12x2 : Now present this as a standard quadratic equation.12x2 - 25x - 8 = 0 : Solving for the roots of a quadratic equation gives :-x = [25 ± √(252 + 4x12x8)] ÷ 2x12 = [25 ± √1009] ÷ 24 = [25 ± 31.765] ÷ 24x = 56.765/24 = 2.365 and x = -6.765/24 = -0.282x = 2.365 and -0.282
8x2 plus 2x - 3 equals 0?
(4x + 3)(2x - 1) so x = -0.75 or 0.5
How do you solve 8x2 plus 14x plus 5 equals 0 by completing the square?
Please do not remove this question from Inappropriate or split any alts from it. Thanks!
