8.1
8.2
8.3
8.4
8.5/8.6
100
y=kx or y=k/x
What is the direct variation form?
100
denominator.
A reciprocal function is any function that contains a fraction with the independent variable in the ____.
100
when graphed it contains gaps
what is a discontinous function
100
a fraction with one or more variables in the numerator or denominator.
what is a rational expression?
100
least common denominator
what is needed when adding and subtracting rational expressions?
200
k
what is constant?
200
yes
is y= 1/3x an example of a reciprocal function?
200
Top< bottom, y=?
0
200
x
what is the common denominator in x=1=72/x
200
factor
how do you find the LCM
300
Increase ; decrease
As one quantity_____ the other _____
300
a;y=a/x;0
stretches and compreshions occur bassed on the value of ____ in ____, x cant equal __
300
by the degree
hiow do you find a vertical aymptote
300
0
What can x not be in x+1=72/x
300
find the LCD
What is step 1 in solving rational equations?
400
y= k/x, k-xy
Inverse variation equation has the form..
400
what happens when |a|>1?
stretches by the factor of a
400
divide by the lead coefficient
how do you find the vertical asymptote if the degrees are the same?
400
find the values of the variable that makes the denominator equal 0
how do you find a restriction in a rational expression
400
multiply every term nby the LCD
What is step 2 in solving rational equations?
500
y=2.2
Z varies directly with x and indirectly with y. When x=6, y=2 and z=15
500
shrinks by a factor of a
what happens when 0<|a|<1?
500
when the top degree is greater than the bottom
how do you know if there is no horizontal asymptote
500
x cant equal 3, -3
What is the restriction of 12-4x/x*2-9
500
x+2
What is the LCD of x-2/x=2 = x+2x-3/x+2
M
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