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### Arithmetic Aptitude :: Linear Equations

1.  First step in graphing linear equation is to

2.  A. connect two points B. extend straight line C. substitute values in intercept D. identify and plot coordinates

3.  Variables of linear equation is implicitly raised to

4.  A. first power B. second power C. third power D. four power

5.  Two equations that can be drawn as same line on graph then these equations are considered as

6.  A. solved equations B. constant equations C. equivalent equations D. non-equivalent equations

7.  Axes in three dimension coordinate system divide plane in three spaces called

8.  A. octants B. quadrants C. space divide D. dimension divider

9.  Slope intercept form of linear equation is

10.  A. y = b⁄c - ax⁄b B. y = c⁄b - ab⁄x C. y = c⁄b - ax⁄b D. xy = bx⁄c - ay⁄b

11.  Number of ordered pair values (x,y) to satisfy linear equation ax + by = c are

12.  A. zero B. finite C. infinte D. rational expression

13.  Slope of straight line is referred as

14.  A. order pair of line B. intercepts of line C. ordinates of lines D. inclination of line

15.  Formula such as dollars of interest earned divided by total dollars invested is used to calculate

16.  A. average dollar return B. annual rate of interest C. average percent return D. annual rate of dividend

17.  In linear equation 'x = c⁄a' with undefined slope, slope is represented with

18.  A. vertical lines B. opposite lines C. horizontal lines D. perpendicular lines

19.  Example of linear equation involving two variables is

20.  A. 8x = 2+10 B. 6x+2y = 10 C. 7x+3y+4z = 20 D. 7a+8b+9c = 10+5