Slope
Parallel
Perpendicular
Find coordinates
The y-intercept
Surprise!
100
What is the slope formula?
m= y-y/x-x
100
Parallel lines have what type of slopes to each other?
They have the same slopes
100
If y=3x-6, what is the y coordinate when x=3
y=3
100
What is the y-intercept for y=3x+8
8
100
If the slope is 7 and the y-intercept is -2. Write the equation of a line in slope-intercept form.
y=7x-2
200
If a line is vertical its slope is (1)_____________ If a line is horizontal its slope is (2) ____________
(1) undefined (2) zero
200
Write a line parallel to y=-4x+7 in slope intercept form.
Answers vary....y=-4x
200
If y=-4x+7, what is the missing coordinate (4,y)
y=1
200
What is the y-intercept for y=4x
0
200
When we graph linear equations we start with the (1)_________ and use the (2) __________ to determine the direction of the line.
(1) y-intercept (2) slope
300
What is the slope of the line containing the points (3,4) and (-6,10)?
-2/3
300
What type of slopes do perpendicular lines have to each other?
Negative reciprocals
300
If y=-4x-9, what is the missing coordinate (3,y)
y=-21
300
What is the y-intercept of a line passing through (0,6)
6
300
Which is linear graph would pass through the point (6,6)? (1) y= 3x-7 (2) y= 4x-18
(2)
400
What is the slope of the line that passes through the points (−5,4) and (15,−4)?
-2/5
400
Write the equation of a line perpendicular to y=3x-4 in slope intercept form.
Answers vary....y=-1/3x
400
If y=-1/2x+5, what is the missing coordinate (8,y)
y=1
400
What is the y-intercept of a line passing through the following points (0,0) and (4,3)
0
400
Write an equation for a line that would have a slope of 5 and would pass through the point (-3,-7)
y=5x+8
500
Which is the slope of the line that goes through ( -2 , 4.15) and (1, 1.24)?
-0.97
500
What are the following slopes for -5x+y=6 (1)Parallel ______ (2)Perpendicular _______
(1) 5 (2) -1/5
500
If y=5x+8, what is the missing coordinate (x,33)
x=5
500
What is the y-intercept of a line passing through the points (4,6) and (5,9)
-6
500
Which of the following would be coordinates on this linear graph, y=4x-10? (a) (3,8) (b) (2,-9) (c) (1,-6)
(c) (1,-6)
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