Analytic Geometry 1: Prepared By: Engr. Junie A. Valendez
Analytic Geometry 1: Prepared By: Engr. Junie A. Valendez
Analytic Geometry 1: Prepared By: Engr. Junie A. Valendez
9. Find the equation of the line passing through the origin and with the slope
of 6.
A. y – 6x = 0 B. y = -6 C. x + y = -6 D. 6x + y = 0
10. If the points (-2,3), (x,y), and (-3,5) lie on a straight line, then the
equation of the line is _________.
A. x-2y-1=0 B. 2x+y-1=0 C. x+2y-1=0 D. 2x+y+1=0
11. Find the equation of a straight line with a slope of 3 and a y-intercept of
1.
A. 3x+y–1=0 B. 3x-y+1=0 C. x+3y+1=0 D. x-3y-1=0
12. Find the equation of the line if the x-intercept and y-intercept are -2 and
4, respectively.
A. y–2x–4=0 B. y–2x+4=0 C. y+2x–4=0 D. y+2x+4=0
PARALLEL AND PERPENDICULAR LINES:
PROBLEMS:
13. What is the equation of the line that passes thru (4,0) and is
parallel to the line x – y – 2 =0?
A. y+x+4=0 B. x-y-4=0 C. y-x-4=0 D. y+x-4=0
14. Find the equation of the line point (3,1) that is perpendicular to
the line x + 5y + 5 = 0.
A. 5x-y-14=0 B. 4x+5y-12=0 C. 3x+4y-14=0 D. 4x-3y-12=0
ANGLE BETWEEN INTERSECTING LINES:
PROBLEMS:
15. Find the angle formed by the lines 2x + y – 8 = 0
and x + 3y + 4 =0.
A. 30° B. 35° C. 45° D. 60°
16. What is the acute angle between the lines y = 3x
+ 2 and y = 4x +9?
A. 4.4° B. 28.3° C. 5.2° D. 18.6°
DISTANCE FROM A POINT TO A LINE:
PROBLEMS:
17. Find the distance of the line 3x + 4y = 5 from the
origin.
A. 4 B. 3 C. 2 D. 1
18. The distance from the point (2,1) to the line 4x –
3y + 5 = 0 is
A. 1 B. 2 C. 3 D. 4
DISTANCE BETWEEN TWO PARALLEL LINES:
PROBLEMS:
19. Find the distance between the given lines 4x –
3y = 12 and 4x – 3y = -8
A. 4 B. 3 C. 2 D. 5
PLANE AREAS BOUNDED BY COORDINATES:
PROBLEMS:
20. Find the area of a triangle whose vertices are A(-3,-1), B(5,3)
and (2,-8).
A. 38 B. 32 C. 34 D. 36
21. In a Cartesian coordinates, the coordinates of a square are (1,1),
(0,8), (4,5) and (-3,4). What is the area?
A. 25 B. 20 C. 18 D. 14
22. Find the area of the polygon whose vertices are at (2,6), (4,0),
(2,4), (-3,2) and (-3,3).
A. 19.5 B. 15.2 C. 17.4 D. 25.3
LOCUS OF A MOVING POINT:
PROBLEMS:
23. Find the equation of the locus of the points which
are always equidistant from (3,2) and (-5,-4).
A. 4x + 3y + 7 =0 C. 4x - 3y - 7 =0
B. x + 2y + 5 =0 D. 5x - 4y + -10 =0
CIRCLE:
GENARAL EQUATION OF A CIRCLE:
PROBLEMS:
24. What is the equation of a circle with center at (3,-5) and radius 2?
A. x² + y² - 6x + 10y + 30 = 0 C. x² + y² - 10x + 6y + 34 = 0
B. x² + y² - 6x + 10y - 34 = 0 D. x² + y² - 3x + 5y + 15 = 0
25. Find the radius of a circle from the given equation x² + y² + 2x +
12y - 27 = 0
A. 4 B. 6 C. 8 D. 10
26. A chord of the circle x² + y² +4x + 6y -32 = 0 is 12 units long. How
far is it from the center of the circle?
A. 3 units B. 4.67 units C. 4 units D. 5.33 unit
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DAY IN AND DAY OUT.”
-ROBERT COLLIER