Equations of lines practice?

1: To answer questions 1 - 10, refer to these Figures. For Figure 1, which letter corresponds to the ordered pair (4, -3)? I H B J 2: For Figure 1 above, in which Quadrant does point H lie? Point H does not lie in a quadrant I II IV 3: What is the y-coordinate of Point I... show more 1:
To answer questions 1 - 10, refer to these Figures.




For Figure 1, which letter corresponds to the ordered pair (4, -3)?

I
H
B
J


2: For Figure 1 above, in which Quadrant does point H lie?
Point H does not lie in a quadrant
I
II
IV


3: What is the y-coordinate of Point I from figure 1 above?
5
-5
2
-2


4: Which best describes the graph of y = -10?
horizontal line
slanted line
vertical line
parabola


5: Graph the equation y = -x + 3
Which points of figure 1 would lie on the same line?
D and H
A and F
G and H
B and E


6: What is the x-intercept of 2x - y = 1 ?
1
-1
zero
1/2


7: In Figure 1 ABOVE, what is the distance between points A and J?
1
√89
5
3√29


8: In Figure 1 ABOVE, what is the distance between points H and E?
3
4√2
2
2√5


9: What is the midpoint of the segment joining the points (9, 8) and (-3, 4)?
(3, 6)
(6, 2)
(3, -3)
(2, 3)


10: What is the midpoint of the segment joining the points (2, 1) and (2, -1)?
(1, 0)
(0, 0)
(1, 1 1/2)
(2, 0)


11:
To answer questions 11 - 30, refer to these Figures.




Using the slope and y-intercept, what is the equation of the line in figure 2?

y = -2x - 2
y = 2x + 2
y = -2x + 2
y = 2x - 2


12: In figure 1, point A is in quadrant ____.
I
II
III
IV


13: What is the slope of this line?
2x - y = 1/2
2
-2
1/2
-1/2


14: What is the slope of this line?
(1/2)x + 2y = 3
-2
3/2
-1/4
1/4


15: Find the slope of the line that passes though points (2, 3), and (3, 4).
-1
1
2
1/2


16: Which is the equation of that line:
y = x + 1
y = 2x + 1
y = x
X = 3


17: Find the slope of the line that passes though points (2, -3), and (3, -1).
-2
1/2
2
-1/2


18: Which is the equation of that line:
y = x - 7
y = 2x - 7
y = 2x - 3
y = -2x - 3


19: Find the slope of the line that passes though points (1, 3), and (-1, 4).
-1
-2
-1/2
1/2


20: Which is the equation of that line:
y = (-1/2)x + 7/2
y = (-1/2)x + 7
y = (1/2)x + 7/2
y = 2x + 7/2


21: What is the slope of a line parallel to y = 3x + 2?
1/3
3
-1/3
2


22: What is the slope of a line perpendicular to y = 3x + 2?
1/3
3
-1/3
-3


23: What is the slope of a line parallel to y = (-1/2)x - 2?
-1/2
2
-2
1/2


24: What is the slope of a line perpendicular to y = (-1/2)x - 2?
1/2
2
-1/2
1


25: Find the equation of a line containing (3, 2) and perpendicular to
x - y = -6
y = x - 2
y = x + 2
y = 2x - 1
y = -x + 5


26: Find the equation of a line containing (3, 2) and parallel to
x - y = -6
y = 2x - 1
y = x - 1
y = x - 5
y = x + 5


27: Find the equation of a line containing (3, 2), with slope of 0.
y = x + 2
x = 2
y = 2
y = X + 2


28: Find the equation of a line containing (3, 2), with undefined slope.
y = 3
x = 3
y = x + 3
y = x - 3


29: Write the equation of a line with slope of 1/2 that goes through (3, 2).
y = 2x + 1
y = 2x + 1/2
y = (1/2)x + 1
y = (1/2)x + 1/2


30: Write the equation of a line with slope of -2 that goes through (-2, 2).
y = -x + 2
y = 2x - 2
y = -2x - 2
y = 2x + 2
3 answers 3