Pre Tes Polinomial

Hitunglah hasil dari (3x^2 + 2x) + (4x^2 - 5x)

• 5x^2 - 3x

• 6x^2 + 2x

• 7x^2 - 3x

• 4x^2 - 2x

Wawan is trying to solve a quadratic equation represented by the expression 7x^2 - 3x. Which of the following expressions could represent a similar quadratic equation that Wawan might encounter in his studies?

• 7x^2 - x

• A. 7x^2 - 3x

• 7x^2 + 5x

• 7x^2 - 5x

Hitunglah hasil dari (5x^3 - 3x^2 + 2) - (2x^3 + x^2 - 4)

• 7x^3 - 2x^2 + 4

• 5x^3 - 2x^2 + 2

• 3x^3 - 4x^2 + 6

• 3x^3 + 4x^2 - 2

A. 3x^3 - 4x^2 + 6 B. 3x^3 - 2x^2 + 6 C. 3x^3 - 4x^2 - 2 D. 3x^3 + 2x^2 + 6

• 3x^3 - 4x^2 + 2

• 2x^3 - 4x^2 + 6

• 3x^3 + 4x^2 + 6

• A

3. Hitunglah hasil dari (2x + 3)(x - 4)

• 2x^2 + 5x - 12

• 2x^2 - 5x - 12

• x^2 - 5x - 12

• 2x^2 - 7x + 12

A. 2x^2 - 5x - 12 B. 2x^2 - 5x + 12 C. 2x^2 + 5x - 12 D. 2x^2 + 5x + 12

• 2x^2 - 5x - 10

• A

• 2x^2 + 5x + 8

• 2x^2 - 3x - 12

4. Hitunglah hasil dari (x^2 + 2x + 1) + (3x^2 - x)

• 3x^2 + 3x + 1

• 2x^2 + x + 2

• 5x^2 - 2x + 1

• 4x^2 + x + 1

A. 4x^2 + x + 1 B. 4x^2 + 3x + 1 C. 4x^2 + 2x + 1 D. 4x^2 + 2x - 1

• B

• 4x^2 + 5x + 1

• 4x^2 + x - 1

• 4x^2 + 4x + 1

5. Hitunglah hasil dari (6x^2 - 4) - (2x^2 + 3)

• 4x^2 - 7

• 4x^2 + 3

• 6x^2 - 4

• 8x^2 - 1

A. 4x^2 - 7 B. 4x^2 - 1 C. 4x^2 + 1 D. 4x^2 + 7

• 4x^2 - 5

• C. 4x^2 + 1

• 4x^2 + 3

• 4x^2 - 9