Download y=3 - Northeast Regional Ag Expo 2016

Topic 1
Topic 2
Topic 3
Topic 4
Topic 5
10
10
10
10
10
20
20
20
20
20
30
30
30
30
30
40
40
40
40
40
50
50
50
50
50
Question 1 - 10
• Find the slope of the line through each pair of
points.
• (8,-9) (4,3)
Answer 1 – 10
• (8,-9) (4,3)
Question 1 - 20
• identify the slope and the y-intercept
y = 7x + 3
Answer 1 – 20
slope:____7___
y-int:____3___
Question 1 - 30
• Write the equation of a line in slope-intercept
form given the following:
through the points (-3, 9) and (4, 16)
Answer 1 – 30
• points (-3, 9) and (4, 16)
= 16-9 = 7 = 1
4-(-3)
7
y=mx+b
16=1(4) + b
16=4 + b
-4 -4
12 = b
Equation: y = x + 12
Question 1 - 40
y=(-1/2)x + 3
a. Is the point (6, 0) on the line?
b. Is the point (6, 0) a solution to this linear
equation?
Answer 1 – 40
y=(-1/2)x + 3
a. Is the point (6, 0) on the line?
0=(-1/2)(6) + 3
0=-3 + 3
0=0
YES
b. Is the point (6, 0) a solution to this linear
equation?
YES
Question 1 - 50
• Find the slope, yintercept – if any,
then write the
equation of the line
in slope-intercept
form for the
following.
Answer 1 – 50
slope:__0___
y-int:__3_____
Equation:_y=3_
Question 2 - 10
Fill in the slope and y-intercept for the following
equations, then graph the line on the provided
grid.
y
y=2x
x
Answer 2 – 10
y=2x
Slope:_2___
y-Intercept:__0___
Question 2 - 20
• identify the slope and the y-intercept
y = (2/5)x – 5
Answer 2 – 20
slope:__2/5___
y-int:___-5___
Question 2 - 30
• Find the slope, yintercept – if any, then
write the equation of
the line in slopeintercept form for the
following.
Answer 2 – 30
slope:__undefined___
y-int:_n/a_____
Equation:_x=2_
Question 2 - 40
• Write the equation of a line in slope-intercept
form given the following:
slope of -4 , through the point (-3, 4)
Answer 2 – 40
slope of -4 , through the point (-3, 4)
y=mx+b
4=-4(-3) + b
4=12 + b
-12 -12
-8 = b
Equation: y=-4x-8
Question 2 - 50
• identify the slope and the y-intercept
• y = -3x + 6
Answer 2 – 50
slope:___-3__
y-int:___6___
Question 3 - 10
• Find the slope of the line through each pair of
points.
• (6,4) (10,4)
Answer 3 – 10
• (6,4) (10,4)
Question 3 - 20
Fill the table below to find solutions to the
equation:
y=(-1/2)x + 3
X
-4
-2
0
2
4
Y
Answer 3 – 20
y=(-1/2)x + 3
Question 3 - 30
Fill in the slope and y-intercept for the following
equations, then graph the line on the provided
grid.
y
y=(-3/4)x + 5
x
Answer 3 – 30
y=(-3/4)x + 5
Slope:_-3/4___
y-Intercept:__5____
Question 3 - 40
• identify the slope and the y-intercept
• y = -x – 5
Answer 3 – 40
slope:__-1____
y-int:__-5____
Question 3 - 50
Graph y=(-1/2)x + 3
y
x
Answer 3 – 50
Question 4 - 10
• Find the slope, yintercept – if any, then
write the equation of
the line in slopeintercept form for the
following.
Answer 4 – 10
slope:__-3/2___
y-int:__1_____
Equation:_y=(-3/2)x+1_
Question 4 - 20
• Write the equation of a line in slope-intercept
form given the following:
through the points (1, 0) and (3,4)
Answer 4 – 20
points (1, 0) and (3,4)
= 4-0 = 4 = 2
3-1
2
y=mx+b
4=2(3) + b
4= 6 + b
-6 -6
-2 = b
Equation: y = 2x - 2
Question 4 - 30
• identify the slope and the y-intercept
y = 12x
Answer 4 – 30
slope:__12___
y-int:__0____
Question 4 - 40
identify the slope and the y-intercept
y=-3x + 7
Answer 4 – 40
y=-3x + 7
slope:__-3___
y-int:__7___
Question 4 - 50
y=(-1/2)x + 3
a. Is the point (2, 5) on the line?
b. Is the point (2, 5) a solution to this linear
equation?
Answer 4 – 50
y=(-1/2)x + 3
a. Is the point (2, 5) on the line?
5=(-1/2)(2) + 3
5=-1+3
5=2
NO
b. Is the point (2, 5) a solution to this linear
equation?
NO
Question 5 - 10
Find the x-intercept and y-intercept for the
equation, then use the x and y intercept points
to graph the line.
4x+3y=12
Answer 5 – 10
Question 5 - 20
Write the equation of a line in slope-intercept
form given the following:
slope of 3, through the point (0, -4)
Answer 5 – 20
• slope of 3, through the point (0, -4)
y=mx+b
-4=3(0) + b
-4=b
Equation: y=3x-4
Question 5 - 30
Find the x-intercept and y-intercept for the
equation, then use the x and y intercept points
to graph the line.
y=(2/3)x + 2
Answer 5 – 30
y=(2/3)x + 2
X-intercept
0=(2/3)x + 2
-2=(2/3)x
-3=x
Y-intercept
y=(2/3)(0) + 2
y=0+2
y=2
Question 5 - 40
• Find the slope, yintercept – if any, then
write the equation of
the line in slopeintercept form for the
following.
Answer 5 – 40
slope:___2____
y-int:__-1_____
Equation:_y=2x-1_
Question 5 - 50
• identify the slope and the y-intercept
y = 6 - 4x
Answer 5 – 50
slope:___-4___
y-int:___6____