The problem asks us to determine the nature of the roots of the quadratic equation $x^2 - 7x + 3 = 0$.

AlgebraQuadratic EquationsDiscriminantRoots of Equations
2025/4/29

1. Problem Description

The problem asks us to determine the nature of the roots of the quadratic equation x27x+3=0x^2 - 7x + 3 = 0.

2. Solution Steps

To determine the nature of the roots, we need to calculate the discriminant, which is given by the formula:
D=b24acD = b^2 - 4ac, where aa, bb, and cc are the coefficients of the quadratic equation ax2+bx+c=0ax^2 + bx + c = 0.
In our equation, x27x+3=0x^2 - 7x + 3 = 0, we have a=1a = 1, b=7b = -7, and c=3c = 3.
Now, we can calculate the discriminant:
D=(7)24(1)(3)D = (-7)^2 - 4(1)(3)
D=4912D = 49 - 12
D=37D = 37
Since D>0D > 0, the quadratic equation has two distinct real roots.
Since D=37D = 37 is not a perfect square, the roots are irrational.

3. Final Answer

The roots are real, irrational, and unequal.

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