Operation Polynomials

Find the product:
(3x – 1)(x + 5) 

• 3x² + 4x + 5

• 3x² + 4x - 5

• 3x² + 14x + 5

• 3x² + 14x - 5

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²

• 7x² - x + 4 (-3x²)

• 21x⁴ + 3x³ + 12x²

• -12x² + 3x³ -21x⁴

• 11

• 6

• 5

• 3

• 2

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 2x² + 5x -7

• -2x² + 11x -4

Write an expression in simplified form to represent the area of the rectangle.

Mathematical Equivalence

OFF

Write an expression in simplified form to represent the area of the rectangle.

Mathematical Equivalence

OFF

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

Given d[P(x)]=4 and d[Q(x)]=3, which of the followings are true?

• d[3P(x)]=4

• d[P(x)+Q(x)]= 7

• d[P(x).Q(x)]=7

• d[P²(x)]=8

• d[Q(2x)]=6

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x

• 2x³+6x²+9x

• -2x³-6x²+9x

• 2x³-6x²+9x

• None of these

What is the degree of the polynomial? 3x² + 5xy - 4x⁷y

• 7

• 8

• 2

• 3