Sistem Persamaan dan Pertidaksamaan Linear

Apa hasil dari persamaan 2x + 3 = 7?

• 3

• 2

• 5

• 4

Selesaikan pertidaksamaan 5x - 2 < 3.

• x > 1

• x ≤ 1

• x < 1

• x = 1

Gambarlah grafik dari persamaan y = 2x + 1.

• The graph of y = 2x + 1 has a slope of 1 and a y-intercept at (0, 2).

• Graph of y = 2x + 1 is a straight line with a slope of 2 and a y-intercept at (0, 1).

• The graph is a horizontal line passing through (1, 0).

• Graph of y = 2x + 1 is a parabola opening upwards.

Gambarlah grafik dari pertidaksamaan y < -x + 4.

• Graph the line y = -x + 4 with a solid line and shade above it.

• Graph the line y = x + 4 with a dashed line and shade below it.

• Graph the line y = -x - 4 with a dashed line and shade above it.

• Graph the line y = -x + 4 with a dashed line and shade below it.

Jika 3x = 12, berapa nilai x?

• 2

• 6

• 8

• 4

Selesaikan pertidaksamaan 4x + 5 ≥ 13.

• x ≥ 2

• x > 2

• x < 2

• x ≤ 2

Gambarlah grafik dari persamaan y = -3x + 2.

• The graph is a horizontal line at y = 2.

• The graph has a y-intercept at (0, -2) and a slope of 3.

• The graph is a parabola opening upwards.

• The graph is a straight line with a y-intercept at (0, 2) and a slope of -3.

Gambarlah grafik dari pertidaksamaan y ≥ 1/2x - 3.

• Draw a horizontal line at y = -3 and shade the area above it.

• Graph the line y = -1/2x + 3 and shade the area below it.

• Graph the line y = 1/2x - 3 and shade the area above it.

• Plot the line y = 1/2x + 3 and shade the area below it.

Apa solusi dari sistem persamaan 2x + y = 10 dan x - y = 2?

• (4, 2)

• (3, 4)

• (5, 0)

• (2, 6)

Selesaikan persamaan 7x - 4 = 10.

• 5

• 3

• 2

• 1