Posted by **Callie** on Friday, January 20, 2012 at 2:38pm.

The point A (-7, 5) is reflected over the line x = -5, and then is reflected over the line x = 2. What are the coordinates of A'?

(7, 19)

(10, 5)

(7, 5)

(10, 19)

Question #45

MultipleChoice

The vertices of an isosceles triangle are A(3, 6), B(7, 2), and C(4, 3).

What is the equation of the triangle's line of symmetry?

y = x + 1

y = x - 1

y = x

y = -x + 1

Question #46

MultipleChoice

The area of a circle is 16π cm2. What is the circle's circumference?

2π cm

4π cm

8π cm

16π cm

Question #47

MultipleChoice

If AC = 20, AE = 25, and AB = 5, what is the length of ?

4

5

6

3

Question #48

MultipleChoice

A square pyramid is 6 feet on each side. The height of the pyramid is 4 feet. What is the total area of the pyramid?

60 ft2

156 ft2

96 ft2

120 ft2

Question #49

MultipleSelect

A'B'C'D' is the image of ABCD. What transformation(s) would result in this image?

ABCD is reflected over the line y = x.

ABCD is dilated about the origin with a scale factor of -1.

ABCD is reflected across the y-axis and then the x-axis.

ABCD is rotated 180° around the origin.

Question #50

MultipleChoice

A circle has a diameter with endpoints (-8, 2) and (-2, 6).

What is the equation of the circle?

r2 = (x - 3)2 + (y + 4)2

r2 = (x - 5)2 + (y + 4)2

r2 = (x + 5)2 + (y - 4)2

r2 = (x + 3)2 + (y - 4)2

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