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Graphing Linear Equations
Slope
Direct Variation
Arithmetic Sequences
Proportional or Not
100
Find x and y intercepts y= (2/3)x - 2
x (3,0) y (0,-2)
100
(-2,-6) (1,3)
m = 3
100
Graph y = (4/3)x
(0,0) (3,4)
100
Find the common difference: -40, -32, -24, -16,...
d = 8
100
Graph (-1,-2) (1,2) (2,4) Write an equation in function notation
f(x) = 2x
200
Graph y = -x + 2
(2,0) (0,2)
200
(-2,-3) (0,-3) (4,-3) (12,-3)
m = 0
200
Graph y = -2x
(0,0) (1,-2)
200
Find the next 3 terms: 6,11,16,21,...
26,31,36
200
Graph (0,-2) (1,1) (2,4) Write an equation in function notation
f(x) = 3x - 2
300
Graph x + 5y = 4
(4,0) (0 5/4)
300
(0,5) (6,2)
m = -1/2
300
If y=15 when x=2, find y when x=8
y = (15/2)x, y = 60
300
Find the next 3 terms: 1.4, 1.2, 1.0,...
0.8, 0.6, 0.4
300
Graph (-4,1) (0,2) (4,3) Write an equation in function notation
f(x) = (1/4)x + 2
400
Graph 2x - 3y = 6
(3,0) (0,-2)
400
(-6,4) (-6,-2)
undefined
400
If y= -6 when x=9, find x when y= -3
y = (-2/3)x, x = 9/2
400
Write an equation for the nth term: a1 = 6, d = 5
an = 5n + 1
400
Write a function for the sequence, is it proprtional or not? 0,3,6,...
f(n) = 3n - 3 Not proportional
500
5x + 2y = 10
(2,0) (0,5)
500
(5,2) (-7,r) m= 5/6
r = -8
500
If y=4 when x= -4, find y when x =7
y = -x, y = -7
500
Write an equation for the nth term: 28, 25, 22, 19,...
an = -3n + 31
500
Write a function for the sequence, is it proprtional or not? -4,0,4,...
f(n) = 4n - 8 Not proportional