1.
Write the standard form of a line for which the length of the normal segment to the origin is 7 and the normal makes an angle of 120° with the positive
x
-axis.
A.
x
-
y
- 14 = 0
B.
x
+
y
+ 14 = 0
C.
x
+
y
+ 14 = 0
D.
x
-
y
+ 14 = 0
Hint
2.
Write the equation 3
x
+ 4
y
- 10 = 0 in normal form.
A.
x
+
y
- 2 = 0
B.
x
+
y
- 2 = 0
C.
x
+
y
+ 2 = 0
D.
x
+
y
+ 2 = 0
Hint
3.
Consider the equation -
x
+ 2
y
- 5 = 0. Find the length of the normal and the angle it makes with the positive
x
-axis.
A.
; 297°
B.
; 63°
C.
; 117°
D.
; 243°
Hint
4.
The point nearest to the origin on a line is at (-4,4). Find the standard form of the equation of the line.
A.
x
+
y
+ 8 = 0
B.
x
+
y
- 8 = 0
C.
x
-
y
+ 8 = 0
D.
x
+
y
- 4 = 0
Hint
5.
The point nearest to the origin on a line is (9, 3). Find the standard form of the equation of the line.
A.
x
+ 3
y
- 18 = 0
B.
3
x
+
y
- 30 = 0
C.
x
- 3
y
= 0
D.
3
x
-
y
- 24 = 0
Hint