Sistem Pertidaksamaan Dua Variabel

Selesaikan pertidaksamaan linear: 2x + 3y ≤ 12

• y > (12 - 2x) / 3

• y ≤ (12 - 2x) / 3

• y ≥ (12 - 2x) / 3

• y = (12 - 2x) / 3

Selesaikan pertidaksamaan kuadrat: x^2 - 4x + 3 < 0

• (3, 4)

• (1, 2)

• (2, 3)

• (1, 3)

Gambar grafik pertidaksamaan: y > 2x - 1

• Graph the line y = 2x - 1 as a solid line and shade the region above it.

• Graph the line y = 2x - 1 as a dashed line and shade the region below it.

• Graph the line y = 2x - 1 as a solid line and shade the region below it.

• Graph the line y = 2x - 1 as a dashed line and shade the region above it.

Analisis solusi sistem: x + y ≤ 5, x - y > 1

• x > 3, y < 2

• x > 2, y < 3

• x < 1, y > 4

• x = 5, y = 0

Terapkan metode substitusi: 3x + 2y < 10, x - y > 1

• x > 2, y < 1

• x = 2, y = 1

• x > 1, y < 2

• x < 2, y > 1

Gunakan metode grafik: y < x^2 - 4x + 3

• y < x^2 - 4x + 3 is represented by the region to the right of the parabola y = x^2 - 4x + 3.

• y < x^2 - 4x + 3 is represented by the region above the parabola y = x^2 - 4x + 3.

• y > x^2 - 4x + 3 is represented by the region above the parabola y = x^2 - 4x + 3.

• y < x^2 - 4x + 3 is represented by the region below the parabola y = x^2 - 4x + 3.

Selesaikan pertidaksamaan linear: 4x - 5y ≥ 20

• y ≤ 0.8x - 4

• y ≤ 0.8x + 4

• y ≥ -0.8x - 4

• y ≥ 0.8x - 4

Selesaikan pertidaksamaan kuadrat: x^2 + 6x + 9 > 0

• x ∈ (-∞, ∞)

• x ∈ (-∞, -3)

• x ∈ (0, ∞)

• x ∈ (-∞, 0)

Gambar grafik pertidaksamaan: y ≤ -2x + 3

• The correct graph is a solid line with a slope of 2 passing through (0, 3), and the region below the line shaded.

• The correct graph is a dashed line with a slope of -2 passing through (0, 3), and the region above the line shaded.

• The correct graph is a solid line with a slope of -2 passing through (0, 3), and the region above the line shaded.

• The correct graph is a solid line with a slope of -2 passing through (0, 3), and the region below the line shaded.

Analisis solusi sistem: 2x + y < 8, x - 2y ≤ 4

• The solution is the region above the line 2x + y = 8 and to the left of the line x - 2y = 4.

• The solution to the system of inequalities is the region below the line 2x + y = 8 and to the right of the line x - 2y = 4.

• The solution is the region above the line 2x + y = 8 and to the right of the line x - 2y = 4.

• The solution is the region below the line 2x + y = 8 and to the left of the line x - 2y = 4.