Unit 2 Vocabulary

What is a dilation in geometry?

• A transformation that changes the shape of a figure

• A transformation that changes the size of a figure

• A transformation that changes the color of a figure

• A transformation that changes the orientation of a figure

Tags

CCSS.HSG.SRT.A.1

CCSS.HSG.SRT.A.2

What is an enlargement in terms of dilation?

• A dilation with a scale factor less than 1

• A dilation with a scale factor equal to 1

• A dilation with a scale factor greater than 1

• A dilation with a scale factor of 0

Tags

CCSS.HSG.SRT.A.1

CCSS.HSG.SRT.A.3

What does a reduction mean in the context of dilation?

• A dilation with a scale factor greater than 1

• A dilation with a scale factor equal to 1

• A dilation with a scale factor between 0 and 1

• A dilation with a scale factor of 0

Tags

CCSS.HSG.SRT.A.1

What does it mean for two figures to be similar?

• They have the same area

• They have the same perimeter

• One can fit over the other after rigid transformations and dilations

• They have the same color

Tags

CCSS.HSG.SRT.A.1

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

What is the definition of slope?

• A number calculated by dividing the horizontal distance by the vertical distance between two points on a line.

• A number calculated by dividing the vertical distance by the horizontal distance between two points on a line.

• A number calculated by adding the vertical and horizontal distances between two points on a line.

• A number calculated by subtracting the horizontal distance from the vertical distance between two points on a line.

What does the term "rise" refer to in the context of slope?

• The horizontal distance between two points.

• The vertical distance between two points.

• The total distance between two points.

• The diagonal distance between two points.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the effect of a dilation with a scale factor of 1?

• The figure is enlarged

• The figure is reduced

• The figure remains unchanged

• The figure is rotated

Tags

CCSS.HSG.SRT.A.1

How does a dilation affect the angles of a figure?

• It changes the angles

• It doubles the angles

• It halves the angles

• It does not affect the angles

What is the relationship between the slopes of two parallel lines?

• They have the same slope

• They have different slopes

• One slope is the negative reciprocal of the other

• One slope is double the other

Tags

CCSS.HSG.GPE.B.5

What is the slope?

• Positive
• Negative

• Zero
• Undefined

Tags

CCSS.HSG.GPE.B.5

CCSS.HSS.ID.C.7