This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 4 Quadratic Equations – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 4 Quadratic Equations Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Complete the Square and write in Vertex Form:f(x) = x$^{2}$ + 6x + 5 A) (x + 3)$^{2}$-4. B) (x + 6)$^{2}$-4. C) (x + 3x)$^{2}$-4. D) (x + 3)$^{2}$ + 9. Show Answer Correct Answer: A) (x + 3)$^{2}$-4. 2. In the quadratic equation 2x$^{2}$-9x-5 = 0, which is the quadratic term? A) X $^{a} $. B) X$^{2}$. C) 9. D) -5. Show Answer Correct Answer: A) X $^{a} $. 3. Use the quadratic formula to solve 2x$^{2}$ + 2x-12? A) -2, 3. B) 2, 3. C) 2, -3. D) -2, -3. Show Answer Correct Answer: C) 2, -3. 4. Choose the best method to solve this quadratic:(a) 2(x + 2)$^{2}$-5 = 8 A) A. Square Roots. B) Quadratic Formula. C) Completing the Square. D) Factoring. Show Answer Correct Answer: A) A. Square Roots. 5. What is the a-value:$y=2x^2+5x+2$ A) 2. B) 5. C) All the above. D) None of the above. Show Answer Correct Answer: A) 2. 6. Factor this:2x$^{2}$+7x=42-x A) 2(x+7)(x-3)=0. B) (x+7)(x-3)=0. C) 2(x-7)(x+3)=0. D) (x-6)(x+7)=0. Show Answer Correct Answer: A) 2(x+7)(x-3)=0. 7. A function has a discriminant of 25 ..... How many solutions does it have? A) 0. B) 1. C) 2. D) 5. Show Answer Correct Answer: C) 2. 8. Identify A, B, and C if y=3x$^{2}$-8+5x A) A=3, B=5, C=-8. B) A=3, B=-8, C=5. C) A = 3x $ ^ {2} $, b = 5x, c =-8. D) A = 3x $ ^ {2} $, b =-8, c = 5x. Show Answer Correct Answer: A) A=3, B=5, C=-8. 9. The discriminant is-10. How many solutions are there? A) 2. B) 1. C) 0. D) None of the above. Show Answer Correct Answer: C) 0. 10. What is the value of c in the quadratic equation, x$^{2}$ + 2x-1 = 0 A) 2. B) -2. C) 1. D) -1. Show Answer Correct Answer: D) -1. 11. Choose the best method to solve this quadratic:(a) x$^{2 }$+ 8x-13 = 0 A) A. Completing the Square. B) Square Roots. C) Factoring. D) Quadratic Formula. Show Answer Correct Answer: A) A. Completing the Square. 12. Solve by completing the square:x$^{2}$-4x = 5 A) 11 and-7. B) 1 and 3. C) 1.73 and-1.73. D) 5 and-1. Show Answer Correct Answer: D) 5 and-1. 13. What is the name of the point where the parabola crosses the y-axis? A) Zero. B) Solution. C) Y-intercept. D) X-intercept. Show Answer Correct Answer: C) Y-intercept. 14. What are the factors of x$^{2}$+3x-40 A) (x+10)(x-4). B) (x+8)(x-5). C) (x+20)(x-2). D) (x+1)(x-3). Show Answer Correct Answer: B) (x+8)(x-5). 15. What is the axis of symmetry for the following equation?y=4x$^{2}$-8x+9 A) X=-8. B) X=2. C) X=-2. D) X=4. Show Answer Correct Answer: B) X=2. 16. Write in vertex form:y = 4x$^{2}$-8x-24 A) Y = 4 (x-2) $^{2} $-24. B) Y = 4 (x-1) $^{2} $-24. C) Y = 4 (x-1) $^{2} $-20. D) Y = 4 (x-1) $^{2} $-28. Show Answer Correct Answer: D) Y = 4 (x-1) $^{2} $-28. 17. Use the quadratic formula to find the solutions fory =-x$^{2}$-5x + 12 A) -4.9 and-0.1. B) -8.54 and 8.54. C) -0.45 and 3.55. D) -6.77 and 1.77. Show Answer Correct Answer: D) -6.77 and 1.77. 18. The number of mosquitoes at the beginning of the summer was 4, 000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months? A) 9766. B) 9006. C) 9765. D) 5433. Show Answer Correct Answer: C) 9765. 19. Solve the following quadratic equation(x + 3)(x + 2) = 0 A) X=1, x=4. B) X=2, x=3. C) X=-2, x=-3. D) X=-1, x=-4. Show Answer Correct Answer: C) X=-2, x=-3. 20. B$^{2}$-4ac would equal:y = 2x$^{2}$-x-3 A) 25. B) -23. C) -25. D) 0. Show Answer Correct Answer: A) 25. 21. Solve using the quadratic formula. $x^2-6x+1=0$ A) $3\pm2\sqrt{2}$. B) $6\pm\sqrt{32}$. C) $6\pm4\sqrt{2}$. D) $2\pm8\sqrt{2}$. Show Answer Correct Answer: A) $3\pm2\sqrt{2}$. 22. The height of a water balloon that is launched into the air is given by h(t) =-5t$^{2}$ + 40t + 2. From what height was the balloon released? A) 2 meters. B) 5 meters. C) 40 meters. D) 20 meters. Show Answer Correct Answer: A) 2 meters. 23. George has a 15 x 10 patio. He wants a bigger patio. George wants to add the same amount to the current length and the width so the new patio has an area of 350. What equation can he use to solve for the additional amount added (x)? A) X$^{ 2 }$ + 25x + 350 = 0. B) X$^{ 2 }$ + 25x-350 = 0. C) X$^{ 2 }$ + 25x-200 = 0. D) X$^{ 2 }$ + 25x + 150 = 0. Show Answer Correct Answer: C) X$^{ 2 }$ + 25x-200 = 0. 24. $f\left(x\right)=4^x-7$ A) Y >-7. B) Y <-7. C) Y < 0. D) Y > 0. Show Answer Correct Answer: A) Y >-7. 25. What is the standard form of quadratic equation? A) Ax$^{2}$ + bx + c= 0. B) Ax$^{2}$ + bx = c. C) Ax$^{2}$ + bx$^{2}$ + c= 0. D) Ax + bx + c= 0. Show Answer Correct Answer: A) Ax$^{2}$ + bx + c= 0. ← PreviousNext →Related QuizzesClass 10 Maths Chapter 4 Quadratic Equations Quiz 1Class 10 Maths Chapter 4 Quadratic Equations Quiz 2Class 10 Maths Chapter 4 Quadratic Equations Quiz 3Class 10 Maths Chapter 4 Quadratic Equations Quiz 4Class 10 Maths Chapter 4 Quadratic Equations Quiz 5Class 10 Maths Chapter 4 Quadratic Equations Quiz 6Class 10 Maths Chapter 4 Quadratic Equations Quiz 7Class 10 Maths Chapter 4 Quadratic Equations Quiz 8Class 10 Maths Chapter 4 Quadratic Equations Quiz 9Class 10 Maths Chapter 4 Quadratic Equations Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books