## Thursday, July 26, 2012

Berikut ini tugas untuk bahan diskusi kelompok belajar matematika, siswa kelas VIII :
1. Simplify the following polynomials

a. 2n-3n

b.2k- 5b - b- k

c.$\fn_cm 2x}-4 + 3x^{^{2}}-6 - x^{^{2}$

d. -2 +6 x + z - 2x +8-4z

e. x + 7 + 3x

f..$\fn_cm 7y^{2}- 3y +4y +8y^{2} +4y$

g. -2 + 6x + z -2x +8- 4z

h. 9p + 10 -p + 3x -5

i. -4 + k - 9m -m + 2k

2. Write down one example of monomial, binomial and trinomial. Please explain by your own sentence.

3. Write down a polynomial containing four terms that can be simplified into binomials

4. The size of two angles of a triangle are : (2x-2) and (x+10), find the sizes of the angles.

Selamat berlatih....

The sourcebook : Student's Book For Junior High School Year VIII MATHEMATICS
MINISTRY OF NATIONAL EDUCATION, DIRECTORATE GENERAL OF MANAGEMENT OF PRIMARY AND SECONDARY EDUCATION, DIREKTORATE OF JUNIOR HIGH SCHOOL DEVELOPMENT.