Linear Equations
Using Intercepts
Graphing Functions
Slope Formula and a Few Surprises
Types of Lines
100
Solve: 4(m + 12) = -36
What is -21
100
3x-2y=12 Give the X Intercept and Y Intercept
X Intercept = 4 Y Intercept = -6
100
Write -4x + y = -1 in slope-intercept form
What is y = 4x - 1
100
Write an equation of the line passing through (-5,7) and (3,-4) in Slope Intercept Form
What is Y = (-11/8) X + 1/8
100
Standard Form
What is Ax+By=C
200
Solve: 3k - 14k + 25 = 2 - 6k - 12
What is 7
200
GRAB SOME GRAPH PAPER 2x-4y=8 X Intercept = Y Intercept = Graph the Line *First group to turn in the graph to Ms. Burns wins!
X Intercept = 4 Y Intercept = -2
200
Write x + (3/4)y = 6 in slope-intercept form
What is y = -(4/3)x + 8
200
Find the equation of the line parallel to 2x + y = 5 and passing through (-4,7)
What is y = -2x - 1
200
Slope Intercept Form
y=mx+b
300
Solve: -.5(r - 2) = -r - 2
What is -6
300
Find the intercepts of 4x - 2y = 16
What is (4,0) and (0,-8)
300
Find the equation of the line parallel to 3x + y = 7 and passing through (6,-8)
What is y = (1/3)x - 10
300
y=kx
Direct Variation
400
{(0,5),(-2,3),(-4,1)} Is this a linear function?
Yes
400
GRAB SOME GRAPH PAPER (2/3)y = 4 - (1/2)x X Intercept = Y Intercept = Graph the Line *First group to turn in the graph to Ms. Burns wins!
X Intercept = 8 Y Intercept = 6
400
State whether the line y = 5/4 is vertical or horizontal
What is horizontal
400
Give the Slope of 6x-5y=30
What is 6/5
400
In y=kx what is the term for k?
Constant of Variation
500
Write y-2=3x in Standard Form
What is 3x-y=-1
500
GRAB SOME GRAPH PAPER -3x+5y=30 X Intercept = Y Intercept = Graph the Line *First group to turn in the graph to Ms. Burns wins!
x Intercept = -10 y intercept = 6
500
What is the slope of this line? 4x+2y=12
-2
500
Solve 3(x - 1) > 7(x + 3)
What is x < -6
500
The value of y varies directly with x and y=12 and x= 4. Find x when y =15
x=5