Math (15-16)

When a right triangular region is rotated about one of its legs, what solid is formed?

• W) Right circular cone

• X) Right circular cylinder

• Y) Right triangular pyramid

• Z) Right triangular prism

What is the area of the triangular region formed by the lines with equations x = 2, y = -1, and y = 2x + 1?

Convert two-six in base 8 to base 10.

If a right triangular prism has all edges equal to 2, then, to the nearest integer, what is its total surface area?

What is the least common multiple of the three quantities 6x, 15x³ , and 18x³ ?

• W) $3x$

• X) $18x^3$

• Y) $90x^3$

• Z) $36x^2$

A flower bed is formed in the shape of a 135-degree sector of a circle of radius 8 feet. To the nearest foot, what is the perimeter of the flower bed? 

What is 87 times 73? 

Using the origin as center, the point with coordinates (1, 2) is dilated by a factor of 2, and then the result is rotated by 90 degrees counterclockwise. What are the coordinates of the final image point? 

• W) (4, -2)

• X) (-4, 2)

• Y) (0.5, 1)

• Z) (2, -4)

Which of the following is NOT a linear equation?

• W) y = 2x

• X) y = 1

• Y) y = 0.5x -2

• Z) y =  $3x^2\ +\ 1$  

Which of the following slopes is undefined?

• W)   y = -3x + 2

• X)   y = 3

• Y)   x = 2

• Z)   y = 3x + 2