what's a discriminant

Which of the following can be the discriminant of the graph of the quadratic equation? => b 2 - 4 ac = - 3 or b 2 - 4 ac = 0 or b 2 - 4 ac = 5 or b 2 - 4 ac = 16..

Which of the following can be the discriminant of the graph of the quadratic equation? => b 2 - 4 ac = 5 or b 2 - 4 ac = - 15 or b 2 - 4 ac = - 100 or b 2 - 4 ac = 0..

Find the discriminant of the equation 9 xy - 8 = 0. => 0 or 9 or 81 or 85..

Find the value of the discriminant in the equation - 3 x 2 + 6 x - 3 = 0. => 0 or 1 or 2 or Can not be determined..

Which of the following can be found from the discriminant, b 2 - 4 ac of a quadratic equation? => The solutions of the quadratic equation or Whether the solutions are positive values or Number of solutions of the quadratic equation or Whether the solutions are negative values..

Use discriminant to find the number of solutions to the equation 4 x 2 - 5 x - 2 = 0. => Zero or Three or Two or One..

Match the function with its graph, using the discriminant y = 4 x 2 - 2. => Graph-3 or Graph-2 or Graph-1 or None of the above..

Use the discriminant to find the nature of the solutions of the given quadratic equation. 3 x 2 + 4 x - 7 = 0 => two real, rational, unequal numbers or two real, irrational, unequal numbers or one real, rational number (double) or two complex conjugate numbers..

Use the discriminant to find the nature of the solutions of the given quadratic equation. 6 x 2 - 13 x + 1 = 0 => one real, rational number (double) or two real, rational, unequal numbers or two real, irrational, unequal numbers or two complex conjugate numbers..

Use the discriminant to find the nature of the solutions of the given quadratic equation. 5 x ( x + 4) + 40 = 0 => two real, rational, unequal numbers or one real, rational number (double) or two real, irrational, unequal numbers or two complex conjugate numbers..