Geometry 2nd 9 weeks test review 1

Match the following transformations with their description.

• dilation

• slide from one position to another

• rotation

• flip over a line

• stretch

• change size but keep same shape

• translation

• change shape

• reflection

• spin around a point

After a rotation, a point, M, maps onto itself. Which of the following could be the case? Choose all that apply

• Point M was the center of rotation

• The rotation was a multiple of 360 degrees

• The rotation was around a point other than M, and was 180 degrees

• The rotation was around a point other than M and was 90 degrees

The steps shown are a part of the construction of which figure?

• inscribed square

• circumscribed rectangle

• inscribed equilateral triangle

• regular hexagon

To inscribe a hexagon inside a circle, which length should you set your compass to?

• The radius
• The diameter
• Half of the radius
• It depends on the size of the circle

Match the following transformation rules with their name.

• 90 deg CCW rotation around origin

• reflection over y-axis

• reflection over line y = x

• reflection over x-axis

• 180 deg rotation around origin

Which of the following is the distance formula between two points on a coordinate plane?

Parallel lines have ​ (a)   slopes.

• the same
• opposite reciprocal