This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Mathematics Chapter 2 Relations And Functions – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Mathematics Chapter 2 Relations And Functions Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Is a set of all the first coordinates or x-coordinates of the ordered pairs of a relation? A) Relation. B) Function. C) Range. D) Domain. Show Answer Correct Answer: D) Domain. 2. Is this set of ordered pairs a function or not a function? \{5, -2), (3, -5), (2, -5), (0, -2), (-1, -3)\} A) Function. B) Not a Function. C) All the above. D) None of the above. Show Answer Correct Answer: A) Function. 3. What is the Y coordinate? A) The y value of an ordered pair, represents the vertical placement of the point. B) A set of ordered points. C) The x value of an ordered pair that represents vertical placement of the point. D) Football. Show Answer Correct Answer: A) The y value of an ordered pair, represents the vertical placement of the point. 4. What is the range of the function \{(4, 3), (2, -2), (3, -1), (5, -3)\}? A) \{3, -1, -3\}. B) \{-3, -2, -1, 3\}. C) \{4, 2, 3, 5\}. D) \{4, 3, 2, -2, -1, 5, -3\}. Show Answer Correct Answer: B) \{-3, -2, -1, 3\}. 5. If f:A$\rightarrow$B is an onto function then, the range of f = A) B. B) 0. C) A. D) 1. Show Answer Correct Answer: A) B. 6. A relationship between two variables is called a ..... A) Function. B) Correlation. C) Relation. D) Table. Show Answer Correct Answer: B) Correlation. 7. Which of the following equations is not a function? A) $x=10$. B) $y=5$. C) $y=6x+1$. D) $y=x^2$. Show Answer Correct Answer: A) $x=10$. 8. A relation where every input has exactly one output is called what? A) Relation. B) Linear. C) Exponential. D) Function. Show Answer Correct Answer: D) Function. 9. A set of numbers or coordinates written in the form (x, y) A) Origin. B) Ordered Pair. C) X-coordinate. D) Y-coordinate. Show Answer Correct Answer: B) Ordered Pair. 10. Why isn't a vertical line a function? A) A vertical line is not a function because for any y-value, the x value always changes. B) A vertical line is not a function because the x value always changes for any y-value. C) A vertical line is not a function because the x-value never changes for any y-value. D) None of the above. Show Answer Correct Answer: C) A vertical line is not a function because the x-value never changes for any y-value. 11. Do the ordered pairs below represent a relation, a function, both a relation and a function, or neither a relation nor a function?(-3, 5), (3, -7), (7, -15), (9, -19) A) Function only. B) Neither a relation nor a function. C) Both a relation and a function. D) Relation only. Show Answer Correct Answer: C) Both a relation and a function. 12. The rule 5x + y = 3 represents a relation. What would be the value of y when x =-3? A) 18. B) 12. C) -12. D) -18. Show Answer Correct Answer: A) 18. 13. What is the range of the functionf(x) = x$^{2 }$-9when the domain is \{-3, 3\}? A) \{0\}. B) \{-18\}. C) \{-3, 0\}. D) \{0, 18\}. Show Answer Correct Answer: A) \{0\}. 14. Let f:R $\rightarrow$ R be defind by f(x) = $\frac{1}{x}$ A) One-one. B) Onto. C) Bijective. D) F is not defined. Show Answer Correct Answer: D) F is not defined. 15. What is the best definition of function? A) Any set of ordered pairs. B) Every input has exactly one output. C) Every output has exactly one input. D) A special relation. Show Answer Correct Answer: B) Every input has exactly one output. 16. If there is at least one input with multiple outputs, is the relation a function? A) Yes. B) Depends on the context. C) No. D) Maybe. Show Answer Correct Answer: C) No. 17. $y=\frac{2}{3}x-\frac{1}{2}$ A) $y=\frac{3}{2}x+\frac{3}{4}$. B) $y=\frac{2}{3}x+\frac{3}{4}$. C) $y=\frac{3}{2}x-\frac{3}{4}$. D) $y=-\frac{2}{3}x-\frac{3}{4}$. Show Answer Correct Answer: A) $y=\frac{3}{2}x+\frac{3}{4}$. 18. What is the x-intercept in the equation x-2y = 4 A) (2, 0). B) (-2, 0). C) (4, 0). D) (-4, 0). Show Answer Correct Answer: C) (4, 0). 19. Let A = \{7, 8, 9 \}, B = \{7, 8, 9 \} .f is onto function from A to B. Which of the following is correct A) F is not one-one function. B) F may be one-one or many one. C) F is injective function. D) None of the above. Show Answer Correct Answer: A) F is not one-one function. 20. What is f(6) for the function f(x)=3x-8 A) -8. B) 10. C) -144. D) Answer not here. Show Answer Correct Answer: B) 10. 21. Which scenario is described by the function:$y=3+x$ A) Timothy (y) is taller than his son (x) three times. B) A marble (x) is one third the weight of a rock (y). C) Destiny (y) is 3 years younger than Roy (x). D) Haley (y) has 3 more apples than Tanya (x). Show Answer Correct Answer: D) Haley (y) has 3 more apples than Tanya (x). 22. Simplify as fully as possible 18:24:30 A) 9:12:15. B) 6:8:10. C) 2:3:4. D) 3:4:5. Show Answer Correct Answer: D) 3:4:5. 23. If R is a relation on the set A=\{1, 2, 3\} given by R = \{(1, 1), (2, 2), (3, 3)\}, then R is A) Reflexive. B) Symmetric. C) Transitive. D) Equivalence. Show Answer Correct Answer: D) Equivalence. 24. The set of all of the y values or outputs is called what? A) Domain. B) Range. C) Relation. D) Function. Show Answer Correct Answer: B) Range. 25. Any equation represented in a graph is called as ..... A) Arrow. B) Triangle. C) Circle. D) Curve. Show Answer Correct Answer: D) Curve. ← PreviousNext →Related QuizzesClass 11 Mathematics Chapter 2 Relations And Functions Quiz 1Class 11 Mathematics Chapter 2 Relations And Functions Quiz 2Class 11 Mathematics Chapter 2 Relations And Functions Quiz 3Class 11 Mathematics Chapter 2 Relations And Functions Quiz 4Class 11 Mathematics Chapter 2 Relations And Functions Quiz 5Class 11 Mathematics Chapter 2 Relations And Functions Quiz 6Class 11 Mathematics Chapter 2 Relations And Functions Quiz 8Class 11 Mathematics Chapter 2 Relations And Functions Quiz 9Class 11 Mathematics Chapter 2 Relations And Functions Quiz 10Class 11 Mathematics Chapter 2 Relations And Functions Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books