Use a graph to determine whether the equation has at least one real root. $x ^ { 2 } - 3 x + 6.26 = 0$
A) three real roots
B) two real roots
C) no real roots
D) one real root
E) It is not possible to make this determination by graphing the equation.

Question

Quizplus · Accepted Answer

The graph of the quadratic equation $x^2 - 3x + 6.26$ is a parabola that opens upwards. Since the discriminant ($b^2 - 4ac$) is negative, the parabola does not intersect the x-axis, indicating there are no real roots.

Use a Graph to Determine Whether the Equation Has at Least