IMATH - 2008 ( Matemática ) Plane Geometry

If M is the centroid of ABC find out CQ

(A) 5
(B) 40
(C) 1/13
(D) 40/13
(E) 4

IMATH - 2007 ( Matemática ) Algebraic Expressions

Simplify each algebraic expression:

(A) (x – 3)(x – 4)
(B) (x – 3)(2x + 1)
(C) (x – 3)(1 – x)
(D) (x – 3)(x + 3)
(E) (x – 3)(x – 3)
(F) (x + 3)(x + 3)

IMATH - 2007 ( Matemática ) Algebraic Expressions

Simplify each algebraic expression:

(A) (x – b)(azx – 3)
(B) (a – b + c)(a + b + c)
(C) (ab + ac)(bc + a)
(D) (–a – b)(–x – y)
(E) (a + b)(x + y)
(F) (a + b)(–x – y)

IMATH - 2007 ( Matemática ) Equations

The real solution of the equation

2(x – 2)(x² + 2) = –4(x² + 2)

(A) Is an even number.
(B) Is an odd number.
(C) Is a prime number.
(D) Is an irrational number.
(E) Is a negative number.

IMATH - 2007 ( Matemática ) Equations

Solve x^2/3 + x^1/3 = 6

(A) S = {8, 27}
(B) S = {-8, 27}
(C) S = {-8, -27}
(D) S = {8, -27}
(E) S = {}

IMATH - 2007 ( Matemática ) Systems of Quadratic Equations

Solve simultaneously 3x² – 4y² = 11 and x² + y² = 13

IMATH - 2007 ( Matemática ) Ellipses

Sketch the graph of 3x² + 4y² = 48.

IMATH - 2007 ( Matemática ) Calculus

Evaluate

IMATH - 2007 ( Matemática ) Combinatory

In how many ways can n women be seated in a row so that 2 particular women will not be next to each other?

IMATH - 2007 ( Matemática ) Combinatory

In how many orders can 8 different pictures be hung in a row so that 1 specified picture is at the end?