Title: system of equations
Course: 2025 Probabilidad y Estadística

Feedback shared by this category's questions, if right: Su respuesta es correcta.
Feedback shared by this category's questions, if partly right: Su respuesta es parcialmente correcta.
Feedback shared by this category's questions, if wrong: Su respuesta es incorrecta.

Q: Solve the following system of equations by Substitution method:

2x + 5y= 19;           3x - 4y = -6
- (-2, 3)
- (2, -3)
- (2, 3)
A: (2, 3)

Q: Solve the following system of equations by Equalization method:

3x - 4y = -11;       5x + 3y = 1
- (-1, 2)
- (1, 2)
- (1, -2)
A: (-1, 2)

Q: Solve the following quadratic equation applying general formula.

2x^2 + 3x = 9
- (3/2, -3)
- (-3/2, 3)
- (-3/2, -3)
A: (3/2, -3)