Geometry Equations in Coordinate Plane

What is the slope of the line shown?

• 6/11

• -6/11

• -11/6

• 11/6

What is an equation for the line that passes through points (4, –4) and (8, 4)?

• y – 4 = 2(x + 4)

• y + 4 = 2(x – 4)

• y – 4 = –2(x + 4)

• y + 4 = –2(x – 4)

Write the equation for the vertical line that contains point E(–7, 7).

• y = 7

• x = -7

• y = -7

• x = 7

Write the equation for the horizontal line that contains point G(3, 4).

• x = 4

• y = 4

• y = 3

• x = 3

What is the slope of the line shown?

• 7/9

• 9/7

• -7/9

• -9/7

Triangles ΔABC and ΔA'B'C' are graphed in the standard (x,y) coordinate plane below. Triangle ΔA'B'C' is the image of ΔABC under one of the following transformations. Which one?

• Horizontal translation

• Reflection across the x-axis

• Reflection across the y-axis