Q:

What is the simplest form of the expression (5x + 3xy + 4y) + (4x – 2xy – 2y)? A. x + xy + 2y B. x2 + xy + 2y C. 9x + 5xy + 2y D. 9x + 5xy + 6y E. 9x + xy + 2y 2. 5y + 2z + 3x2 – (2y – 2z + 4x) is equivalent to: F. 7y + 4z + 3x2 – 4x G. 3y + 3x2 – 4x H. 3y + 4z + 3x2 – 4x J. 3y + 4z + 7x K. 3y + 4z + 7x2 3. Which of the following polynomials is equivalent to (x – 1)(x + 1)(x – 1)? A. x2 – x + 1 B. x2 – x – 1 C. x3 – x2 – x + 1 D. x3 – x2 – x – 1 E. x3 – 2x2 – 2x + 1 4. What is the product (2a + 6)2? F. 2a2 + 12a + 36 G. 4a2 + 12a + 36 H. 4a2 + 36 J. 4a2 + 24a + 36 K. 4a2 – 36 5. Among the following arithmetic operations, which could the symbol ♣ represent given that the equation (6 ♣ 1)3 – (4 ♣ 1)2 = 200 is true? I. Subtraction II. Multiplication III. Division A. II only B. III only C. II and III only D. I and III only E. I, II, and III

Accepted Solution

A:
1. E.
2. H.
3. C.
4. J.
5. C.