Use a graphing calculator to determine the number of real solutions of the quadratic equation $7 x ^ { 2 } - 6 x - 6 = 0$ .
A)one real solution
B)no real solutions
C)two real solutions

Question

Quizplus · Accepted Answer

Using a graphing calculator to graph the quadratic equation, we can see that it intersects the x-axis at two points. Therefore, there are two real solutions.

Use a Graphing Calculator to Determine the Number of Real 7x2−6x−6=07 x ^ { 2 } - 6 x - 6 = 07x2−6x−6=0

Use a Graphing Calculator to Determine the Number of Real $7 x ^ { 2 } - 6 x - 6 = 0$