This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Maths Chapter 4 Quadratic Equations – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Maths Chapter 4 Quadratic Equations Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is "b" in the equation 3x$^{2 }$-7 = 0? A) 3. B) 7. C) 0. D) 10. Show Answer Correct Answer: C) 0. 2. What effects does "h" have on the parent function? A) Vertical stretch/compression. B) Horizontal shifts (left/right). C) Vertical shifts (up/down). D) None of the above. Show Answer Correct Answer: B) Horizontal shifts (left/right). 3. Write the equation in vertex form:y = x$^{2}$ + 10x + 20 A) Y = (x + 5) $^{2} $ + 5. B) Y = (x + 5) $^{2} $ + 45. C) Y = (x+ 5) $^{2} $+ 20. D) Y = (x+5) $^{2} $-5. Show Answer Correct Answer: D) Y = (x+5) $^{2} $-5. 4. If the graph of a quadratic does not intercept the x axis at any point, then it has: A) 1 Real Solution. B) 2 Real Solutions. C) Half a Solution. D) No Real Solution. Show Answer Correct Answer: D) No Real Solution. 5. What is the axis of symmetry formula? A) Y = mx+b. B) Y = ax$^{2}$+bx+c. C) B $^{2} $-4ac. D) X =-b/2a. Show Answer Correct Answer: D) X =-b/2a. 6. If the Discriminate is greater than 0 it has how many roots? A) 0. B) 1. C) 2. D) 3. Show Answer Correct Answer: C) 2. 7. Solve the following quadratic equation ..... x$^{2}$ + 7x + 12 = 0 A) X =-2x =-6. B) X =-3x =-4. C) X =-1x =-12. D) X = 2x = 6. Show Answer Correct Answer: B) X =-3x =-4. 8. Solve by ANY method you have learned:x$^{2 }$-2x-11=0 A) $-10\pm\sqrt{89}$. B) $1\pm2\sqrt{3}$. C) $10\pm\sqrt{89}$. D) $-1\pm3\sqrt{2}$. Show Answer Correct Answer: B) $1\pm2\sqrt{3}$. 9. Factorize the quadratic expression $x^2+5x+6$ A) (x + 4)(x + 2). B) (x + 2)(x + 3). C) (x + 3)(x + 2). D) (x-2)(x-3). Show Answer Correct Answer: B) (x + 2)(x + 3). 10. Identify a, b, and c in:x$^{2}$-6x+14 A) 3, 5, 9. B) 1, -6, 14. C) 1, -6, -14. D) 1, 6, 14. Show Answer Correct Answer: B) 1, -6, 14. 11. $x^2+2x-1=2$ A) X =-1 and-3. B) X = 1 and 3. C) X = 1 and-3. D) X =-1 and 3. Show Answer Correct Answer: C) X = 1 and-3. 12. Which of the following quadratic equations is written in standard form? A) $x^2+6x=-9$. B) $ X^A+14 = Dax $. C) $x^2+10x+25=0$. D) $x^2=36$. Show Answer Correct Answer: C) $x^2+10x+25=0$. 13. What is the domain of $f\left(x\right)=4+x^2$ A) All real numbers. B) $x\ge4$. C) $x\le4$. D) X = 0. Show Answer Correct Answer: A) All real numbers. 14. Write an equation for a parabola with vertex at (1, 3) that passes through (-2, -15). A) Y = 2 (x-1) $^{2} $ +3. B) Y =-2 (x-1) $^{2} $ + 3. C) Y = 2 (x + 1) $^{2} $ + 3. D) Y =-2 (x +1) $^{2} $ +3. Show Answer Correct Answer: B) Y =-2 (x-1) $^{2} $ + 3. 15. Find the factors of the quadratic equation y= 4x$^{ 2}$-100$^{}$ A) (2x-4) (2x-25). B) (4x-10) (x-10). C) (4x-10) (x +10). D) (2x-10) (2x + 10). Show Answer Correct Answer: D) (2x-10) (2x + 10). 16. What should you do next? $x^2+5x+4=0$ A) A. Square root both sides. B) B. Subtract 4 from both sides. C) C. Factor The trinomial. D) None of the above. Show Answer Correct Answer: C) C. Factor The trinomial. 17. Which equation below is a quadratic? A) Y=9x+5. B) Y=3x$^{2}$-6. C) Y = 5x $^{3} $+6. D) X=3$^{x}$. Show Answer Correct Answer: B) Y=3x$^{2}$-6. 18. Which best describes the vertex of a parabola? A) Any point on the parabola. B) A point on the x-axis. C) The highest or lowest point of a parabola. D) A point on the y-axis. Show Answer Correct Answer: C) The highest or lowest point of a parabola. 19. Factor Completely. $4x^2+24x-64$ A) $4\left(x+8\right)\left(x-2\right)$. B) $4(x^2+6x-16)$. C) $4\left(x^2+24x-16\right)$. D) $4\left(x-8\right)\left(x+2\right)$. Show Answer Correct Answer: A) $4\left(x+8\right)\left(x-2\right)$. 20. Solve the following quadratic equation ..... x$^{2}$ + 3x + 2 = 0 A) X =-1x =-2. B) X = 1x = 2. C) X =-1x = 2. D) X = 1x =-2. Show Answer Correct Answer: A) X =-1x =-2. 21. Solve by factoring:x$^{2}$ = 7x + 18 A) -7 and-18. B) 9 and 2. C) 9 and-2. D) 2 and 7. Show Answer Correct Answer: C) 9 and-2. 22. The formula x =-b/2a is used to find A) The roots. B) The x-value of the vertex. C) The y-intercept. D) The axis of symmetry. Show Answer Correct Answer: B) The x-value of the vertex. 23. A machine salesperson earns a base salary of $ 40, 000 plus a commission of $ 300 for every machine he sells. Which best describes this function? A) Linear. B) Quadratic. C) Exponential. D) None of the above. Show Answer Correct Answer: A) Linear. 24. Solve $^{}$x$^{2}$ + 2x-24 = 0 A) X =-6, x = 4. B) X = 6, x =-4. C) X = 12, x =-2. D) X = 8, x =-3. Show Answer Correct Answer: A) X =-6, x = 4. 25. Your nephew is standing on his deck, which is 4 feet off the ground. He tosses his toy up into the air. The equation h =-2t$^{2 }$+ 7t + 4 models the toy's height, h, from the ground at t seconds after he threw it. How high is the toy after 1 second? A) 2. B) 4. C) 9. D) 10. E) 15. Show Answer Correct Answer: C) 9. ← 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