Desafío de Álgebra para 12º Grado

Solve the quadratic equation: x² - 5x + 6 = 0.

• x = 2, x = 3

• x = 5

• x = 4

• x = 1

Simplify the expression: 3x + 5 - 2x + 7.

• 2x + 10

• 3x + 7

• x + 5

• x + 12

Factor the polynomial: x² - 9.

• (x - 9)(x + 1)

• (x - 1)(x + 1)

• (x - 3)(x + 3)

• (x - 3)(x - 3)

Solve the system of equations: 2x + 3y = 6 and x - y = 2.

• x = 12/5, y = 2/5

• x = 3, y = 0

• x = 0, y = 2

• x = 2, y = 0

Solve the quadratic equation: 2x² + 4x - 6 = 0.

• x = -2, x = 3

• x = 0, x = 6

• x = -1, x = 2

• x = -3, x = 1

Simplify the expression: 4(x + 2) - 3(x - 1).

• 3x + 5

• 2x + 8

• x + 11

• x + 5

Factor the polynomial: x³ - 3x² - 4x + 12.

• (x - 1)(x - 4)(x + 3)

• (x + 1)(x + 4)(x - 3)

• (x - 2)(x + 3)(x + 4)

• (x - 2)(x - 3)(x + 2)

Solve the system of equations: 3x + 2y = 12 and 4x - y = 5.

• (2, 3)

• (0, 6)

• (1, 5)

• (3, 0)

Solve the quadratic equation: x² + 2x + 1 = 0.

• x = -1

• x = 1

• x = 0

• x = -2

Simplify the expression: 5x - 3(2x - 4).

• -x + 12

• 2x - 12

• 5x + 12

• -3x + 4