二元一次不等式(System of Linear Inequalities)

Which point below is not part of the solution set ?

下列何者不是不等式的解？　

• (0, 0)

• (1, 2)

• (1, -1)

• (2, 1)

• 
• 
• 
• 

Which quadrant the graph of the inequality x-y>4 does not pass through ?

不等式 x-y>4 的圖形不通過第幾象限

• 1

• 2

• 3

• 4

If the point P(a,5) is a solution of the inequality x-2y < 0, what is the range of a ?

若點P為不等式 x-2y < 0 的解，則 a 的範圍為

• a > 5

• a < 10

• a >10

• a<6

Determine whether the two points A(1,0) and B(0,1) are on the same side or the opposite side of the line L : x - y = 0.

判斷 A(1,0)、 B(0,1) 兩點在直線L : x - y = 0 的同側或異側

• 同側

• 異側

Answer explanation

Which of the following linear inequalities system of equations match the given graph?

如圖所示，鋪色區域的聯立不等式為

• 
• 
• 
• 

Which of the following section match the given graph for the given linear inequalities system of equations ?

下列哪一塊區域為聯立不等式所圍區域

• A

• B

• C

• D

What is the area of the region bounded by the given linear inequalities system of equations?

滿足聯立不等式的區域面積為

• 12

• 24

• 10

• 20

• -7

• -4

• -3

• -8