Math 9 - Elimination Round

If the volume of a cube is 64 cubic units, what is the length of one side?

• 4 units

• 8 units

• 16 units

• 2 units

Which of the following equations represents direct variation?

• y = kx

• y = k/x

• y = kx^2

• y = k + x

In a combined variation problem, if y varies directly with x and inversely with z, which of the following represents this relationship?

• y = kxz

• y = kx/z

• y = k/zx

• y = kx + z

Which of the following equations represents indirect variation?

• y = k/x

• y = kx

• y = k + x

• y = kx^2

If y varies directly with x and z, and y = 12 when x = 3 and z = 2, what is the value of k?

• 2

• 4

• 6

• 8

In a direct variation, if y = 20 when x = 5, what is the value of k?

• 4

• 5

• 10

• 15

What is the area of a parallelogram with a base of 10 units and a height of 5 units?

• 50 square units

• 25 square units

• 15 square units

• 30 square units

In a triangle, if one angle measures 60 degrees and another measures 90 degrees, what is the measure of the third angle?

• 30 degrees

• 60 degrees

• 90 degrees

• 120 degrees

Which of the following statements is true about the diagonals of a parallelogram?

• They are always equal in length.

• They bisect each other.

• They are perpendicular to each other.

• They do not intersect.

What is the perimeter of a rectangle with a length of 12 units and a width of 5 units?

• 34 units

• 30 units

• 24 units

• 60 units