Factor of x3 - 4x - 77 = 0 are:

• (11, -7) A
• (11, 11) B
• (11, 7) C
• (-7, 7) D

The point of intersection of the perpendicular bisectors of the sides of a triangle meet, is called:

• circum-center of the triangle A
• incenter of the triangle B
• centroid of the triangle C
• orthocenter of the triangle D

Two liner algebraic expressions joined by an inequality symbol such as >,<, >,< is called:

• liner equation A
• liner inequality B
• absolute value equation C
• order relation D

The volume of a sphere is:

• πr2h A
• 1/3πr2h B
• 4/3πr2h C
• πr2 D

A line segment joining a vertex to the midpoint of the side opposite to the vertex is called:

• altitude to the triangle A
• side bisector of the triangle B
• angle bisector if the triangle C
• median to the triangle D

• uv-yx A
• vx - uv B
• uy - vx C
• 0 D

The midpoint of the diameter of a circle is called:

• radius A
• chord B
• center C
• tangent D

The square of the hypotenuse is equal to the sum of the square of two sides, this statement is called:

• Factor theorem A
• Hero's formula B
• Ratio formula C
• pythagoras theorem D

A point in II-quadrant has its abscissa:

• positive A
• negative B
• zero C
• one D

The side opposite to a right angle in a right angled triangle is called:

• base A
• altitude B
• Hypotenuse C
• Perpendicular D

Factors of x2 -x -x 156 are:

• (x - 12)(x - 13) A
• (x - 12)(x + 13) B
• (x +12)(x +13) C
• (x -13)(x +12) D

1kl = ?

• 1 m³ A
• 10⁶cm³ B
• 10⁹mm³ C
• 1 m⁴ D

The lowest term of 8x2y2/12xy5 is:

• 2x2/3y3 A
• 3x3/2y2 B
• 3x2/2y3 C
• 4c2/9y3 D

If the sum of two angles is 90° then the angles are called:

• supplement of each other A
• complement of each other B
• inverse of each other C
• reflex of each other D

A father's age 4 times of his son's age. If the age of son is 20 year's, then the age of father is:

• 60 A
• 80 B
• 100 C
• 40 D