Chapter 3
Linear Functions
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Standard
Interception
With slope,
there’s hope!
Speaking vary
directly
Proportionally
Sequenced
$100
$100
$100
$100
$200
$200
$200
$200
$400
$400
$400
$400
$800
$800
$800
$800
$1000
$1000
$1000
$1000
FINAL JEOPARDY
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SI $100:
Determine if the equation below
is linear. If it is linear, write it in
standard form.
8x – 3y = 6 – 4x
SI $200:
Determine if the equation below
is linear. If it is, write it in
standard form.
yx – 2 = 8
SI $400:
The equation 3x + 7y = 105
represents the number of bags
of sand (x) and bags of mulch (y)
that can be bought with $105. If
no bags of sand are bought, how
many bags of mulch can be
purchased?
SI $800:
Find the x- and y-intercept of the
equation below. Then draw a
rough graph.
4x – 2y = 8
SI $1000:
Find the x-and y-intercept of the
equation below. Then draw a
rough graph.
4x – 7 = 9
WSTH $100:
What is the slope of a horizontal
line?
WSTH $200:
What is the slope of a vertical
line?
WSTH $400:
Find the slope between the set
of points below.
(-3, 2)
(5, 5)
WSTH $800:
Find the slope between the set
of points below.
(-3, -4)
(-2, -8)
WSTH $1000:
Find the slope between the two
sets of points below
(-3, 4)
(4, 4)
(-5, -2)
(-5, 7)
SVD $100:
What is the constant of variation
below? What is the slope of the
equation?
y = -7x
SVD $200:
Where would you start to graph
the equation y = -2x? How
would you find the next point?
SVD $400:
Suppose y varies directly with x.
Write the equation if y = 4 when
x=2
SVD $800:
Suppose y varies directly with x,
and y = 7.5 when x = 0.5. Find
the value of y when x = -0.3
SVD $1000:
Suppose y varies directly with x,
and y = -4.8 when x = -1.6. Find
the value of x when y = -24.
PS $100:
Pick which sequence below is
arithmetic:
A) -5, 12, 29, 46
B) 1, 3, 9, 27, 81
PS $200:
Find the next 4 terms in the
sequence below.
-10, -3, 4, 11, …
PS $400:
What is the equation for the
sequence -5, -2, 1, 4, …
A) an = 3n – 5
B) an = -5n + 3
C) an = 3n – 8
D) an = 3n + 4
PS $800:
Write the equation for the
sequence that has a1 = 21 and
d = -8
PS $1000:
Write the equation for the
sequence below.
9, 16, 23, 30, …
Final Jeopardy: