1. What type of correspondence is being referred if every element in the first set is mapped to a unique eles the second set? a. many to one b. inany to many c. one to many d. one to one
2. How can you tell if the graph of a linear inequality will have a solid line? a. It has an equal sign b. The symbol is greater than c. The symbol has or equal to" d. The symbol is lesser than
3. What is the degree of the function f(x)=11x45? 2.1 b. 2 d. 4
4. Which of the following is a linear inequality in two variables? a. 5x - 4 = 6 b. 2y S6y+3 c.2x + 3 < 23 d. 3+ 5x3y
5. Which of the following best describes the graph of linear inequalities in two variables? a. straight line b. half-plane c. parabola d. half of a parabola
6. The graph of the system of inequality x+y>1 and x - 2y <2 is a a. solid line b. dashed line c. curved line d. imaginary line
7. Which of the following ordered pairs is a solution of the inequality 2x + 4y < 10? a. (4,2) b. (3, 3) c. (1,2) d. (4,1)
8. Which of the following inequalities below has a solution of (4.1)? a. X-Y>-2 b. 2x-y<4 c.xty<2
9. Which of the following is a solution of 2x-5y <8? a. (4,2) b.(2,-2) c.( 10,2)
10. What is the domain and the range of the function(x) = 2x - 1? a. D={x14>2), R={yly > -1} b. D={x}X ER}, R={yby > 11 c. D={x\x2}, R={yly 1} d. D={x\X ER,R={yly ER}
11. Two or more linear inequalities in the same variable x and y are called a linear equation b. linear inequalities c. system of linear inequalities d. system of linear equation
12. It is a line that divides the plane into two regions. a. line segment b. boundary line c. imaginary line d. broken line
13. All of the following are true, EXCEPT. a. (1, 1), is a solution of x+y> b. The boundary line of x + 3y <5 is a broken line. c. 2x+y> 1 is a linear inequality in two variables. d. The boundary line of y> 2x +3 is a broken line.
14. Which statement is/are NOT true about functions? a. A function is a relation. b. One to many is a function. c. Some relations are not functions. d. Only one-to-one correspondence and many-to-one correspondence are functions.
15. Which of the following sets of ordered pairs defines a relation? a. {(1,3), (2,3), (3,3).(4,3)} c. {(0,2),(0,3),(4,4),(0,5)} b. {(13,10),(6-12), (14.4). (7.25)} d. all of the above
16. Which of the following function has a domain of D= {xŁE R}? a. f(x)=5 b. f(x)=x^2-2 c. f(x)= x/((x+3)) d. f(x)=2x
17. What is the set of all possible x-values which will make the function "work", and will give real y- values? a function b. domain c. range d. slope
18. Which of the following is a linear function? a. 11.x=3 b. f(x)=x2 + x +1 c. f(x)=x+2 d. f(x)=Vx+5
19. Which of the following ordered-pairs is NOT a solution of x +y 55? a. (4,5) b. (2, 2) c. (1,3) d. (4,0)
20. Which of the following correspondences define's a function? a one-to-one b. many - to - one c. one-to-many d, both a and b