Direction: Choose the letter of the correct answer. 1.What is the general form of a quadratic equation? A. ax² + bx + c B. ax + b C. ax² + bx + c = 0 D. ax + b = 0 2. What is the degree of a quadratic equation? A. 1 B. 3 C. 2 D. 4 3. Which of the following expressions is a quadratic equation? A. x+1 = 3 B. x (x + 2) C. x² + 1 + (x + 3)² D. x² + 4x = -4 4. Applying the square root property, what is the value of x in x² = c and c ≥ 0? A. c B. √ C. -√ D. ±√ 5. What is the value of x in the equation x²= 49? A. ±7 B. ±6 C. ±5 D. ±4 6. If 2x² – 32 = 0, then x = ± 4, what principle is applied to get the value of x? A. Zero Product B. Division property of Equality C. Addition Property of Equality D. Square Root Property 7. What are the roots of the quadratic equation 12 = 3x2 ? A. ± 2 B. ± 3 C. ± 4 D. ± 5 8. What are the roots of the quadratic equation x² + x − 56 = 0? A. {7 , 8 } B. {7 , −8 } C. {−7 , 8 } D. {−7 , −8} 9. One of the roots of the quadratic equation ²+ 4 − 32 = 0 is -8. Which of the following is the other root? A. 4 B. −4 C. 8 D. −8 10. Which of the following equations has roots of -4 and 2? A. 2x² + 4x − 16 = 0 B. 2x² − 4x − 16 = 0 C. 2x² − 4x + 16 = 0 D. 2x² + 4x + 16 = 0​