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# MATHEMATICS Quarter 1 - Grade 9 ## 11. Which of the following rational algebraic equations is transformable to a quadratic equation? A. m+1/2 + m+2/2 = 7 B. 2m-1/3 + 1-2/4 = 3 C. 3m/4 + m+1/4 = 5 D. m/3 + m+1/m - 2/m+2/m = 7 ## 12. What are the solutions of the equation: (x + 3)2 + 2(x + 3) - 8...

# MATHEMATICS Quarter 1 - Grade 9 ## 11. Which of the following rational algebraic equations is transformable to a quadratic equation? A. m+1/2 + m+2/2 = 7 B. 2m-1/3 + 1-2/4 = 3 C. 3m/4 + m+1/4 = 5 D. m/3 + m+1/m - 2/m+2/m = 7 ## 12. What are the solutions of the equation: (x + 3)2 + 2(x + 3) - 8 = 0? A. (-7, -1) B. (7, 1) C. (3, 8) D. (-3, -8) ## 13. Which of the following is the quadratic transformation of the equation 2x-1/x+1 = x+1/x-1? A. x^2 - 5x = 0 B. x^2 - 5x + 1 = 0 C. x^2 + 5x = 0 D. x^2 + 5x + 1 = 0 ## 14. Referring to the equation in item #13, which of the following are the solutions? A. 0, -5 B. 0, 5 C. 3±√6/3 D. -3±√6/3 ## For items no. 15-16. Pablo throws an object upward from the top of a 300 ft. tall building. The height of the object, (measured in feet) t seconds after he threw it is h = -4t² + 40t + 300. ## 15. Where is the object 5 seconds after Pablo threw it? A. 160 ft. B. 400 ft. C. 600 ft. D. 1000 ft. ## 16. How long does it take for the object to hit the ground? A. 5 seconds B. 10 seconds C. 12 seconds D. 15 seconds