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POLINOMIAL 1

Authored by Ani Sekarwulan

Mathematics

11th Grade

Used 6+ times

POLINOMIAL 1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui f(x) = 2 x4 – 3 x3 + 2 x2 – 6 dan g(x) = 3 x3 – 6 x2 + 12 x + 4. Hasil penjumlahan f(x) + g(x) adalah …

2 x4 – 4 x2 + 12 x + 2

2 x4 – 4 x2 + 12 x - 2

2 x4 – x3 - 4 x2 + 12 x - 2

X4 – 8 x2 + 12 x - 2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diberikan suku banyak berikut

f(x) = 4x3 –x2 + 8x -1 dan

g(x) = 4x3 + 2x2 -10x

Koefisien variabel x berpangkat tertinggi dari f(x) – g(x) adalah…

-10

-5

-3

3

0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Derajat (x2 – 3x + 2)(x+7)(x2 -3x + 2) adalah …

7

5

3

1

-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dari kesamaan

ax2 + (x + b)(2x – 1) = (bx – 2)(x + 3) + c

diperoleh …

a = 1, b = - 1, dan c = 5

a = 1, b = - 1, dan c = - 5

a = 1, b = 1, dan c = 5

a = -1, b = 1, dan c = 5

a = - 1, b = 1, dan c = - 5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai t yang memenuhi kesamaan

X3 – 7x + 6 = (x + 3)(x – 2)(x – t) adalah …

-3

-1

0

1

3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dari kesamaan

5 x2 – 2x + 3 = ax2 +(b + c)x + 7(b – c), maka a + 8 b – 6 c = …

-2

3

5

6

10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nilai m dan n dari kesamaan  
 mx1 + nx+1 =42x1x2\frac{m}{x-1}\ +\ \frac{n}{x+1}\ =\frac{4-2x}{1-x^2}  
adalah ...

m = - 1 dan n = - 3

 m = - 1 dan n = 3

m = 1 dan n = - 3

 m = 1 dan n = 3

m = 3 dan n = 1

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