slope
Graph
lines
Direct
var
par. &
perp
Function
Relations
100
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200
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500
Answer: Find the slope of
the line containing the
points ( 7, -3) & ( -2, 4)
Question: -7/9
100
Answer: The slope of the
line y = -5 is…
Question: zero
200
Answer: Find slope and yintercept of the line
4x – 8y = 16
Question: slope = ½
y-int = -2
300
Answer: Find the slope of
the line x = 5
Question: undefined
or no slope
400
Answer: Find x if the slope
between the points (8,4) &
(x,-2) is 2/3
Question: x = -1
500
Answer: Graph y = 3/4x – 2
using a table.
Question: see graph
100
Answer: Graph
5x – 4y = 20 using x
& y intercepts
Question: see graph
200
Answer: Write the equation
x+ 3y – 3 = 0 in slopeintercept form and graph using
slope in y-int.
Question: see graph
300
Answer: solve
-5x + 4 = 12 - 3x
graphically
Question: see graph
x = -4
400
Answer: graph y = -5
Question: horizontal
line at y=-5
500
Answer: Find the constant of
variation of the equation
Y=1/4x
Question: 1/4
100
Answer: The variables x
and y vary directly. Write
a direct variation model
that relates x and y when
x = -9 and y= 18
200
Question: y = -2x
Answer:The variables x and
y vary directly. Write a
direct variation model that
relates x and y when x = -18
and y = 12
300
Question: y = -2/3 x
Answer: Graph the direct
variation model y=-3x
Question: see graph
400
Answer: The variables x
and y vary directly. If when
x = 10 and y = 4; find x
when y = 18
Question: x = 45
500
Answer: Parallel lines have
________ slopes.
Question: the same
100
Answer: Perpendicular
lines have ________
slopes.
Question: negative
reciprocal slopes
200
Answer:The following two
lines are a) parallel
b) perpendicular
c) neither
Y= 1/3x -7;
6x + 2y = 4
300
Question:
perpendicular
Answer:The following two
lines are a) parallel
b) perpendicular
c) neither
Y= 5 - 4x; -8x + 2y = -6
400
Question: neither
Answer:The following two
lines are a) parallel
b) perpendicular
c) neither
-15x = -3y - 6; -20x + 4y = 16
Question: parallel
500
Answer: Evaluate the
function f(x) = x^2 +3x
For x= -4, -2, 3
Question: 4, -2, 18
100
Answer: Write the
equation 4x -3y = 12 in
function form, so y is a
function of x
Question: y = -4 + 4/3x
200
Answer: Does this graph
represent a function?
Explain.
Question: no
300
Answer: Find the slope of
the linear function
f(-3) = 5 , f(2) = -8
Question: -13/5
400
Answer: If f(x) = 3x-5
and g(x) = x^2 - 4x + 8
• Find g( f( 3))
Question: 8
500