1 Evaluate Algebraic Expressions MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Evaluate the algebraic expression for the given value or values of the variable(s). 1) 9x + 8; x = 7 A) 71 B) 126 C) 17 D) 55 2) 8x + 3; x = -2 A) -13 B) 19 C) -19 D) 13 3) 2(x + 1) + 21; x = -4 A) 15 B) -15 C) 35 D) 7 4) 6x2 + 8y; x = 7 and y = 5 A) 334 B) 1804 C) 1710 D) 206 5) (x + 4y)2; x = 4 and y = 2 A) 144 B) 12 C) 24 D) 64 6) 2 + 6(x - 6)3; x = 8 A) 50 B) 14 C) 64 D) -46 7) x2 - 4(x - y); x = 6 and y = 2 A) 20 B) 10 C) 14 D) -52 8) 6(x + 3) 2x + 2 ; x = 5 A) 4 B) 1 C) 8 D) 11 2 9) y - 4x 7x + xy ; x = -1 and y = 3 A) - 7 10 B) 1 10 C) 1 4 D) - 9 10