Inverse
Patterns
Equations
Logs
100

Find the inverse

f(x)=3x+2

f-1(x)= (x-2)/3

100

Find the common ration of this geometric sequence

1,-2,4,-8

common ratio is 2

100

x2-6x+9=0

x=3

100

How much does 'e' equal in a logarithm equation

2.718

200
Find the inverse

f(x)=x3-2

f-1(x)=^3 square root x+2

200

Find the common difference in the arithmetic sequence

-6,3,12,21

common difference is 9

200

Find the solutions

y=x2+2x+9

y=-x+7

y1=(-2,9)

y2=(-1,8)

200

Expand the logarithm

log(2/3)

log2- log5 3

300

Find the inverse

f(x)=(1/2)x+6

f-1(x)= -log2 (x-6)

300

Predict the next 3 numbers in the pattern

11,13,15,17,19,?,?,?

21,23,25

300

Solve for x

5/(x+3)  -  1/(x+5)  =  1/(x2+8x+15)

x= - 23/4

300

Expand the expression

ln(7x2)

ln7+ 2ln(x)

400

Find the inverse

y=log3(8x)

y=(1/8)3x

400

Find the mean

26,14,23,35,52,36,42,68,49,32,50,56,68,43

mean=42.4

400

Factor the expression

3x2-3x-60

3(x+4)(x-5)

400

Change of Base Formula 

ln21

log21/loge

ln21=3.045

500

Inverse the ordered pairs

f=(-1,-1),(8,8),(2,5),(5,2)

f-1= (-1,-1),(8,8),(5,2),(2,5)

500

Write in standard form

5w-w6+0.4w3-10.5

-w6+0.4w3+5w-10.5

500

Multiply 

(7-9i)(7+9i)

130

500

Write in logarithmic form

y=17x

log17 y=x

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