Praxis Algebra I 5162 Domain 1: Principles of Algebra Welcome to your Praxis Algebra I 5162 Domain 1: Principles of Algebra 1. Praxis Algebra I (5162) Practice Test: Principles of Algebra If \( x \) and \( y \) are inversely proportional, and \( x = 4 \) when \( y = 3 \), what is the value of \( y \) when \( x = 12 \)? A. 1 B. 4 C. 6 D. 9 None 2. Praxis Algebra I (5162) Practice Test: Principles of Algebra Given \( f(x) = 2x^3 - x^2 + 4x - 7 \), what is the value of \( f(-2) \)? A. -17 B. -15 C. 15 D. 17 None 3. Praxis Algebra I (5162) Practice Test: Principles of Algebra What are the solutions of the equation \( x^2 - 5x + 6 = 0 \)? A. 1 and 5 B. 2 and 3 C. 2 and -3 D. -2 and 3 None 4. Praxis Algebra I (5162) Practice Test: Principles of Algebra If \( 3^{2x+1} = 81 \), what is the value of \( x \)? A. 1 B. 2 C. 3 D. 4 None 5. Praxis Algebra I (5162) Practice Test: Principles of Algebra What is the slope of the line given by the equation \( 2x - 3y = 6 \)? A. -2/3 B. 3-Feb C. -3/2 D. 2-Mar None 6. Praxis Algebra I (5162) Practice Test: Principles of Algebra If \( \frac{x}{5} = \frac{y}{3} \) and \( x = 10 \), what is the value of \( y \)? A. 2 B. 4 C. 6 D. 8 None 7. Praxis Algebra I (5162) Practice Test: Principles of Algebra Find the value of \( k \) for which the equation \( x^2 + kx + 9 = 0 \) has one real solution. A. 3 B. 6 C. 9 D. 12 None 8. Praxis Algebra I (5162) Practice Test: Principles of Algebra Which of the following represents the sum of the infinite geometric series \( 1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8} + \ldots \)? A. 1 B. 1.5 C. 2 D. 2.5 None 9. Praxis Algebra I (5162) Practice Test: Principles of Algebra What is the inverse function of \( f(x) = 3x - 4 \)? A. \( f^{-1}(x) = \frac{x}{3} + 4 \) B. \( f^{-1}(x) = \frac{x + 4}{3} \) C. \( f^{-1}(x) = 3x + 4 \) D. \( f^{-1}(x) = \frac{x - 4}{3} \) None 10. Praxis Algebra I (5162) Practice Test: Principles of Algebra Given \( g(x) = \frac{1}{x-2} \), for which values of \( x \) is \( g(x) \) undefined? A. \( x = 0 \) B. \( x = 1 \) C. \( x = 2 \) D. \( x = -2 \) None 11. Praxis Algebra I (5162) Practice Test: Principles of Algebra If \( a \) and \( b \) are integers such that \( a > b \) and \( ab = -24 \), which of the following could be the value of \( a - b \)? A. 4 B. 5 C. 6 D. 7 None 12. Praxis Algebra I (5162) Practice Test: Principles of Algebra What is the standard form of the equation of the circle with a radius of 5 units and center at (3, -4)? A. \( (x - 3)^2 + (y + 4)^2 = 25 \) B. \( (x + 3)^2 + (y - 4)^2 = 25 \) C. \( (x - 3)^2 + (y - 4)^2 = 5 \) D. \( (x + 3)^2 + (y + 4)^2 = 5 \) None 13. Praxis Algebra I (5162) Practice Test: Principles of Algebra If \( 3x - 2y = 12 \) and \( 5x + 3y = -9 \), what is the value of \( x \)? A. -3 B. 1 C. 3 D. 5 None 14. Praxis Algebra I (5162) Practice Test: Principles of Algebra What are the solutions to the equation \( x^2 - 6x + 9 = 0 \)? A. \( x = 3 \) and \( x = -3 \) B. \( x = 3 \) only C. \( x = -3 \) only D. No solution None 15. Praxis Algebra I (5162) Practice Test: Principles of Algebra For what value of \( k \) will the system of equations \( 2x + 3y = 6 \) and \( kx - 5y = 10 \) have no solution? A. \( \frac{2}{5} \) B. \( \frac{3}{5} \) C. \( \frac{4}{5} \) D. \( \frac{6}{5} \) None 16. Praxis Algebra I (5162) Practice Test: Principles of Algebra What is the simplified form of the expression \( \frac{x^2 - 16}{x^2 - 5x + 4} \)? A. \( \frac{x + 4}{x - 4} \) B. \( \frac{x - 4}{x - 1} \) C. \( \frac{x + 4}{x - 1} \) D. \( \frac{x - 4}{x + 1} \) None 17. Praxis Algebra I (5162) Practice Test: Principles of Algebra Which of the following represents the vertex form of the quadratic equation \( y = x^2 - 4x + 1 \)? A. \( y = (x - 2)^2 - 3 \) B. \( y = (x + 2)^2 + 3 \) C. \( y = (x - 2)^2 + 3 \) D. \( y = (x + 2)^2 - 3 \) None 18. Praxis Algebra I (5162) Practice Test: Principles of Algebra If \( f(x) = 2x^2 - 5x + 3 \), what is the value of \( f(-2) \)? A. -5 B. 7 C. 17 D. 23 None 19. Praxis Algebra I (5162) Practice Test: Principles of Algebra What is the inverse function of \( f(x) = 3x - 2 \)? A. \( f^{-1}(x) = \frac{x + 2}{3} \) B. \( f^{-1}(x) = \frac{x - 2}{3} \) C. \( f^{-1}(x) = 3x + 2 \) D. \( f^{-1}(x) = \frac{3}{x} + 2 \) None 20. Praxis Algebra I (5162) Practice Test: Principles of Algebra What is the solution set for the inequality \( 2(x - 3) < 4x - 6 \)? A. \( x < 3 \) B. \( x > 3 \) C. \( x \leq 3 \) D. \( x \geq 3 \) None 1 out of 20 Time is Up! Time's up