Math 2 Unit 1 FInal Review

• rotation 270° counterclockwise around the origin

• rotation 180° counterclockwise around the origin

• reflection across the line y = –x

• reflection across the line y = x

Find K' if the figure is reflected across the line y=x.

• (-4, 1)

• (-1, -4)

• (1, -4)

• (1, 4)

What is the rule for a reflection over the line y = -x.

• (x, y)

• (-x, -y)

• (-y , -x)

• (y, x)

Identify the transformation from A to D.

• 90^o Clockwise Rotation
• 180^o Rotation
• 270^o  clockwise Rotation
• 360^o Rotation

What is the algebraic representation of translating a figure 3 units left and 5 units down?

• (x+5, y-3)
• (x-5, y+3)
• (x-3, y+5)
• (x-3, y-5)

What is the rule for the following reflection? 

• Reflection across       y = −1
• Reflection across        y = 1
• Reflection across            x = −1
• Reflection across          x = 1

∆BCD contains the points: B(2,3) C(2,1) D(5,1). If the triangle is reflected across the x-axis, what will B' be?

• B'(2, -3)
• B'(-2, 3)
• B'(-2, -3)
• B'(2, 3)

Describe the translation of Point A (3, -8) to A'(-4, -5).

• (x-4, y-5)
• (x+7, y-3)
• (x-7, y+3)
• (x-3, y+7)

What axis is the triangle being reflected over?

• X-axis

• Y-axis

How do you represent reflection over the x axis Algebraically?

• (-y, -x)

• (x + a, y + b)

• (x , -y)

• (ax, by)