Understanding rational numbers

What is the area of the polygon?

• 52

• 40

• 46

• 42

What is the distance between the two points?

• 6.3
• 6.5
• 6.7
• 16

What is the area of the figure? 

• 11 square units
• 15 square units
• 25 square units
• 30 square units

Jim plotted points A and B on the coordinate grid. He wants to add a point C to create a right triangle. Which of the following coordinates would not create a triangular ?

• (5,8)
• (6,8)
• (3,2)
• (3,7)

Find the distance between points (4.5, -3.3) & (4.5, 5.5)

• 2.2

• -8.8

• 8.8

• -2.2

What is the length of the side labeled with the thick purple line?

• 4 cm

• 5 cm

• 6 cm

• 7 cm

Answer explanation

Find the area.

• 17 cm²
• 40 cm²
• 26 cm²
• 60 cm²

Solve by graphing.
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

What is the length of the side labeled with the thick red line?

• 5 cm

• 4 cm

• 3 cm

• 9 cm

Answer explanation

• A

• B

• C

• D