Question 1

The vertices of $\Delta$ JKL have coordinates J(5,1), K(-2,-3), and L(-4,1). Under which transformation is the image $\Delta$ J'K'L' not congruent to $\Delta$ JKL?

Accepted Answer

a dilation with a scale factor of 2 and centered at the origin

Answer

a reflection over the x-axis

Answer

a counterclockwise rotation of 180 degrees around the origin

Answer

a translation of two units to the right and two units down

Question 2

A shipping container is in the shape of a right rectangular prism with a length of 12 feet, a width of 8.5 feet, and a height of 4 feet. The container is completely filled with contents that weigh, on average, 0.25 pound per cubic foot. What is the weight, in pounds, of the contents in the container?

30

1,632

102

408

92

Accepted Answer

102

Answer

1,632

Answer

408

Answer

92

Question 3

Which equation represents a line that is perpendicular to the line represented by 2x - y = 7?

Accepted Answer

y = -½x + 6

Answer

y = ½ + 6

Answer

y = 2x + 6

Answer

y = -2x + 6

Question 4

The equation of a circle is x² + y² + 6y = 7. What are the coordinates of the center and the length of the radius of the circle?

Accepted Answer

center (0,-3) and radius 4

Answer

center (0,3) and radius 4

Answer

center (0,-3) and radius 16

Answer

center (0,3) and radius 16

Question 5

A flagpole casts a shadow 16.60 meters long. Tim stands at a distance of 12.45 meters from the base of the flagpole, such that the end of Tim’s shadow meets the end of the flagpole’s shadow. If Tim is 1.65 meters tall, determine and state the height of the flagpole to the nearest tenth of a meter.

Accepted Answer

6.6

Related quizzes

Related quizzes