Geometry Jan EMPA Review

A translation vector is given as (-5, 4). Select the equivalent mapping rule.

• (x, y) -> (x + 5, y - 4)
• (x, y) -> (x - 5, y - 4)
• (x, y) -> (x - 5, y + 4)
• (x, y) -> (x + 5, y + 4)

Which of the following represents a line?

• Figure a.
• Figure b.
• Figure c.
• Figure d.
• Figure e.

A coordinate mapping rule is given as (x, y) -> (-y, x). Find the coordinates of point P (7 ,-4) after the mapping.

• (-7, 4)
• (7, 4)
• (4, 7)
• (-4, -7)

Which of following would be read as "ray AB"?

• Figure a.
• Figure b.
• Figure c.
• Figure d.

The measure of the angle shown in blue is _______ degrees.

• 130
• 110
• 150
• 50
• 70

Which of the following represents a segment?

• Figure a.
• Figure b.
• Figure c.
• Figure d.
• Figure e.

The equation for the red line shown.

• y = 6
• x = 6
• y = 2x + 6
• y = x

In a rotation, a positive angle is defined as

• clockwise
• counterclockwise

The original figure before transformation is called _______ and after transformation is called ________.

• image , preimage
• preimage, image
• prime, not prime
• I don't know but will look it up in my notes

The rule (x, y) -> (x + 3, y - 2) is used to translate triangle ABC. Which figure shows the image?

• Figure a.
• Figure b.
• Figure c.