Arithmetic Sequence
Arithmetic sequence: Yes or No
13, 19, 25, 31, ...
What is yes?
The slope of a horizontal line
What is 0?
State the constant of variation in the equation
y = 2x.
What is 2?
The first coordinate of the ordered pair where a line crosses the x-axis
What is the x-intercept?
Linear or Nonlinear:
3x + 4xy = 8
What is nonlinear?
Is the following function proportional or nonproportional? f(x) = 2x + 8
What is Nonproportional?
State the common difference for the arithmetic sequence:
100, 78, 56, 34,...
What is -22?
What is a vertical line?
A direct variation equation always goes through this point.
What is (0,0)?
What is origin?
A list of numbers that form a pattern in which a common difference exists between terms
What is an arithmetic sequence?
Linear or Nonlinear:
3x = 7 - 4y
Is the following function proportional or nonproportional? f(x) = 2/3 x
What is proportional?
DOUBLE JEOPARDY
Find the equation for the following arithmetic sequence:
2, 4, 6, 8,...
What is an=2n ?
DOUBLE JEOPARDY
The slope of the line going through points (2, 9) and (4,8)
What is -1/2 ?
TRIPLE JEOPARDY
y varies directly with x.
Write a direct variation equation
if y = 15 when x = 5.
What is y = 3x ?
Vertical change over horizontal change for a line
What is slope?
Write the following equation in standard form:
10x + 15y = 20
What is 2x + 3y = 4 ?
Write the function for the following linear relationship:
x: 0 1 2 3
------------------------
y: 0 3 6 9
Double Jeopardy
What is f(x)=3x ?
Find the equation for the following arithmetic sequence:
-12, -15, -18, -21,...
What is an = -3n - 9 ?
The slope of the line going through points (-3, 5) and (4, -7)
What is -12/7 ?
y varies directly with x.
Write a direct variation equation
if y = -70 when x = 2.
What is y= -35x ?
DOUBLE JEOPARDY
A linear function that goes through the origin shows this type of relationship
What is a proportional relationship?
Write the following equation in standard form:
1/3 x + 2y = -5
What is x + 6y = -15 ?
Write the function for the following linear relationship:
x: 0 2 4 6
------------------------
y: 2 3 4 5
What is f(x) = 1/2 x + 2 ?
The 100th term in the sequence 15, 21, 27, 33, ....
DOUBLE JEOPARDY
What is 609?
The slope of the line going through points (2/5, 1/2) and (3/5, 3/2)
TRIPLE JEOPARDY
What is 5 ?
DOUBLE JEOPARDY
y varies directly with x.
If y = 24 when x = 48, find y when x=10.
What is 5 ?
State 2 conditions that must be met for an equation to be in standard form.
What is ... (name 2 of the 5)?
Variable terms must be on the left
Constant term must be on the right
No fractions
GCF is 1
Leading coefficient must be positive
DOUBLE JEOPARDY
Write the following equation in standard form:
4y = 2x - 10
What is x - 2y = 5 ?
Write the function for the following linear relationship:
x: 3 6 9 12
------------------------
y: 2 3 4 5
TRIPLE JEOPARDY
What is f(x)=1/3 x + 1 ?