How many real solutions does the following quadratic equation have?

25x2+60x+36=0
25
𝑥
2
+
60
𝑥
+
36
=
0


(1 point)
solution(s)

1 answer

To determine how many real solutions the quadratic equation \(25x^2 + 60x + 36 = 0\) has, we can use the discriminant of the quadratic formula. The discriminant \(D\) is given by:

\[ D = b^2 - 4ac \]

where \(a\), \(b\), and \(c\) are the coefficients from the quadratic equation \(ax^2 + bx + c = 0\).

In your equation:

  • \(a = 25\)
  • \(b = 60\)
  • \(c = 36\)

Now, calculate the discriminant:

\[ D = (60)^2 - 4(25)(36) \] \[ D = 3600 - 3600 \] \[ D = 0 \]

The value of the discriminant \(D = 0\) indicates that there is exactly one real solution (or one repeated root) for the quadratic equation.

So, the answer is that the equation has 1 real solution.