Test Bank for Algebra and Trigonometry Enhanced with.pdf

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the equation. 1) -3x + 5 + 6 = - 7x 7 7 6 A) - 66 Answer: A 66 67 C) - 6 6 Decide whether the following is an expression or an equation. 2) 7x - (6x - 1) = 2 A) Equation B) Expression Answer: A Solve the equation. 3) -0.02x + 0.15(x + 6000) = 1160 A) {200,000} B) {200} C) {20,000} D) {2000} Answer: D 4) -0.05y + 0.1(6000 - y) = 0.35y A) {1200} B) {3600} C) {300} D) {3000} Answer: A 5) f - 5 = 1 A) {-24} B) {24} C) {16} D) {-16} Answer: B SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. 6) Find all values of s that make this statement true: 8(9s - 4) = 72s - 32. Answer: Since the equation is an identity, the solution set is {all real numbers}. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 7) 5x2 - 7 = 3x Is this a linear equation? A) Yes B) No Answer: B Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set. 8) 5(2f - 31) = 10f - 155 A) Contradiction; ø B) Identity; ø C) Conditional; {0} D) Identity; {all real numbers} Answer: D B) 3 2 Solve the equation. 9) p - 3p = 2 4 8 A) {16} B) {-16} C) {-14} D) {14} Answer: B Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set. 10) 3(12t + 6) = 6(4t - 3) A) Conditional; {-0} B) Conditional; {-3} C) Contradiction; ø D) Identity; {all real numbers} Answer: B Decide ifthe statement is true orfalse. 11) 6 is a solution of -3x + 4x = 6. A) True B) False Answer: A Solve the equation. 12) 2x - x = 3 5 3 A) {-90} B) {90} C) {45} D) {-45} Answer: C 13) 20s + 12 = 14s 6 17 Answer: C 14) a - 1 = -5 B) 1 C) - 2 D) 2 2 2 A) {-9} B) {-11} C) {9} D) {11} Answer: A Decide whether the following is an expression or an equation. 15) 9(6x + 6) - 2(4x - 3) A) Equation B) Expression Answer: B Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set. 16) 2 3 - (4 - 5r) - r = -8 + 3(2 + 3r) A) Conditional; {8} B) Contradiction; ø C) Identity; {all real numbers} D) Conditional; {-4} Answer: C Decide whether the following is an expression or an equation. 17) 2(2x - 5) = 3(x + 2) A) Expression B) Equation