Summative Test 2 - Math 7

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area? Use 3.14 for pi.

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²

What is the circumference of this circle in terms of π?

• 6π cm 

• 12π cm

• 36π cm

• 37.68 cm

What is the Perimeter of this Composite Figure?

• 44 cm

• 42 cm

• 35 cm

• 41 cm

What is the Area of this Composite Figure?

• 54 in

• 188 in

• 116 in

• 76 in

• 40 in

• 34 in

• 38 in

• 14 in

What makes a graph proportional? Select two answers.

(a)   ​ ​​ (b)  

• straight line through point of origin (0, 0)
• has a constant of proportionality
• a line that connects the dots
• has x-axis and y-axis

Is the graph proportional or non proportional?

• proportional
• non proportional

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

This equation does not show a proportional relationship. Why?

• Doesn't go through point of origin (0,0)

• Not a straight line

Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)