P1.3.0 Revision

• A closed circle at 1 with a line extending to the right

• An open circle at 1 with a line extending to the right

• A closed circle at 1 with a line extending to the left

• An open circle at 1 with a line extending to the left

Identify the feasible region for the inequalities x+y≤4 and x≥0, y≥0.

• x = 1, y = 5

• x = 3, y = 9

• x = 2, y = 7

• x = 2, y = 7

Mathematical Equivalence

ON

The Graph of the inequality 2x-3<5 would show as such on a number line:

A ​ (a)   circle at ​ (b)   with a line extending to the ​ (c)  

• Open
• 4
• left
• Closed
• Right
• 2
• 1
• 3
• 5
• 6

Plot the graph of 2x+y=6

Hence, Identify the feasible region for the inequalities 2x+y≥6 and x≤4, y≥0

Write down the value for x at point A

Mathematical Equivalence

ON

Using Algebra, find the coordinates of point P and Q

• P(3, -5), Q(7, 1)
• P(1, -3), Q(5, 2)
• P(0, -2), Q(4, 3)
• P(3, -2), Q(18, 8)

Answer explanation

Show the two different solutions of x and the appropriate y values

Answer explanation