Spiral Review 4/12/24

How do you find the radius of a circle or sphere if given the diameter?

• Divide the diameter by 3

• Multiply the diameter by 3

• Divide the diameter by 2

• Multiply the diameter by 2

Tags

CCSS.7.G.B.4

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

Tags

dilations

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Tags

dilations

In a dilation what mathematical operation is used with the scale factor?

• addition 
• subtraction 
• multiplication 
• division 

Tags

dilations

What is the scale factor?

• 1

• 2

• 1/2

• -2

Tags

dilations

Which statement is correct?

• All integers are rational numbers.

• All irrational numbers are whole numbers

• A real number must be a rational number.

• A repeating decimal is an irrational number.

20 x 2 - (10 - 4)

• 22

• 30

• 34

Tags

ooo

True or false:
Addition ALWAYS comes before subtraction.

• True

• False

Tags

ooo

How many terms are in the following expression?
8n + 2 - 7x

• 1
• 2
• 3
• 4

Tags

terms and expressions

Describe the transformation shown

• Rotation of 270^o counter clockwise

• Translation right one unit and up one unit

• Dilation by a scale of 2

• Dilation by a scale of 1/2

Tags

dilation