1st quarter exam Alig Gen Math

1. It is a relation in which each element of the domain corresponds to exactly one element of range.

A) Function
B) Domain
C) Range
D) Relation

2. It is a set of ordered pairs.

A) Range
B) Function
C) Relation
D) Domain

3. It is a set of all x or input values.

A) Domain
B) Relation
C) Range
D) Function

4. It is a set of all y or output values.

A) Domain
B) Function
C) Relation
D) Range

5. What is the domain of this function: {(1,1),(3,5),(4,6),(8,9)}?

A) {1,3,4,8}
B) {3,2,-1,4}
C) {1,5,6,9}
D) {8,9}

6. Given f(x) = x – 1, find f(1)

A) 2
B) 3
C) 1
D) 0

A) c
B) b
C) d
D) a

8. what is the range of this function: {(1,0), (2,0), (-1,5)}?

A) {0,5}
B) {1,-1,2}
C) {0,0,5}
D) {-1,1,2}

9. Which of the following relations is a function?

A) {(1,2), (-1,3), (-1,8)}
B) {(3,7),(3,6),(5,3)}
C) {(0,4),(5,6),(5,8)}
D) {( 1,2),(2,2),(3,4)}

A) 9
B) 8
C) 7
D) 6

A) d
B) a
C) b
D) c

12. A function is ______ if f(x) = mx+b, where m and b are real numbers, and f(x) are not both equal to zero.

A) Vertical line test
B) quadratic function
C) linear function
D) Horizontal line test

13. The graph of any quadratic function is called _______.

A) line of symmetry
B) vertex
C) hyperbola
D) Parabola

14. The point where the line of symmetry crosses the parabola is called______.

A) vertex
B) Parabola
C) line of symmetry
D) hyperbola

15. It is represented by a combination of function.

A) linear function
B) piecewise function
C) quadratic function
D) Parabola

16. If the coefficient of x² is positive the parabola opens________.

A) upward
B) to the right
C) Downward
D) to the left

17. If the parabola opens downward, the vertex is the_______ of the graph.

A) vertex
B) Minimum point
C) none of these
D) maximum point

18. If the parabola opens upward, the vertex is _____ of the graph.

A) vertex
B) Minimum point
C) maximum point
D) none of these

19. If the coefficient of x² is negative the parabola opens _______.

A) upward
B) to the right
C) Downward
D) to the left

20. It is the simplest way of determining whether or not a graph represent a function.

A) Vertical line test
B) quadratic function
C) linear
D) Horizontal line test

A) 5
B) 6
C) 7
D) 8

A) b
B) d
C) a
D) c

A) b
B) a
C) d
D) c

A) 18
B) 16
C) 17
D) 15

A) 1
B) 0
C) 2
D) 3

A) d
B) b
C) a
D) c

A) a
B) b
C) c
D) d

A) d
B) b
C) a
D) c

A) 11
B) 7
C) 1
D) -7

A) d
B) a
C) c
D) b

A) d
B) c
C) a
D) b

A) Linear function
B) Rational function
C) Quadratic function
D) Polynomial function

33. It is an expression that can be written as a ratio of two polynomials.

A) Rational expression
B) Rational function
C) Rational equation
D) Rational inequality

34. It is an equation involving rational expressions.

A) Rational inequality
B) Rational equation
C) Rational expression
D) Rational function

35. It is an inequality involving rational expressions.

A) Rational expression
B) Rational function
C) Rational inequality
D) Rational equation

36. A group of friends want to split a bill evenly. If the total bill is ₱1345 and there are x friends, what rational function represents the amount each friend pays?

A) A(x) = 1345x
B) A(x) = 1345 / x
C) A(x) = x + 1345
D) A(x) = x / 1345

37. A water tank can be filled by two pipes, one filling the tank in 4 hours and the other in 6 hours. What rational function represents the portion of the tank filled by both pipes in x hours?

A) f(x) = x / (4 + 6)
B) f(x) = (1/4) + (1/6) x
C) f(x) = (4 + 6) / x
D) f(x) = (1/4 + 1/6) x

38. A car travels from City A to City B at an average speed of x miles per hour. The distance between the two cities is 240 miles. What rational function represents the time it takes to complete the trip?

A) t(x) = x + 240
B) t(x) = x / 240
C) t(x) = 240 / x
D) t(x) = 240x

A) c
B) a
C) d
D) b

40. It is an apparent solution that does not solve its equation.

A) Extraneous solutions
B) Rational inequality
C) Rational equation
D) Rational expression

A) Rational functions
B) Rational equation
C) Rational expression
D) Rational inequality

A) Rational inequality
B) Rational functions
C) Rational expression
D) Rational equation

A) True
B) False

A) Rational functions
B) Rational equation
C) Rational expression
D) Rational inequality

A) False
B) True

A) Rational expression
B) Rational equation
C) Rational inequality
D) Rational functions

A) true
B) false

49. f(x) = y , is an example of;

A) Rational equation
B) Rational expression
C) Rational inequality
D) rational functions

A) b
B) c
C) a
D) d

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