7th grade math CSA 4b Practice

Mr. Blankenship has a garden. He constructs a scale model of the garden using

the scale 1 inch : 2 feet. The garden has a length of 12 feet.
​
What is the length of the garden in Micah's model?

• 6 ft.

• 24 in.

• 6 in.

• 24 ft.

Which of the following best describes the slope of AC?

• 
• 
• 
• 

Identify the Scale Factor. Click on image to see.

• 1/6

• 6

• 1/5

• 5

Find the slope of the line.

If two quantities are proportional, which must be true of a graph showing the relationship between them? Select all that apply. 

• The points of the graph form a straight line. 

• The graph increases from left to right.

• The points in the graph must include the origin.

• The ratio of y/x in the points of the graph are equivalent.

A swimming pool is being constructed using the scale drawing. The scale of the drawing is 1 cm: 7 m

What is the perimeter of the actual pool?

• 98 m

• 49 m

• 490 m

• 10 m

A swimming pool is being constructed using the scale drawing. The scale of the drawing is 1 cm: 7 m

What is the area of the actual pool?

The triangles shown are similar figures. True or False?

• True

• False

A satelite is 20 meters wide. A model of it was built with a scale of 1 cm : 4 m

How wide is the model?

• 80 m

• 5 cm

• 5 m

• 80 cm

The hypotenuse of two similar right triangles are segments of the same line. The slopes must be the same but not the lengths. True or False.

• True

• False