Ch 3 Review

Repeated decimals as a fraction

100

Write as a fraction

0bar .8

8/9

200

0.bar1

Write as a fraction

1/9

300

Write as a fraction 

0.8bar3

5/6

400

Write as a fraction 

bar .09

1/11

500

Write as a fraction 

0.08bar3

1/12

Solving linear equations with one variable

100

Solve for x

2(x-1) - 6 =10(1-x) +6 

x = 2

200

Solve for x

3x - 4(5 - 2x)=5.6

x=2

300

Solve for x

5 - 3(x-7) = 2(2-x) - 8 

x= 30

400

frac{5(x+2)}{3} - frac{x-1}{3}=1

x=-2

500

frac{4(2x+3)}{5}- frac{x+1}{4}=frac{31}{5}

x=3

Vocabulary

100

An equation that simplifies to unequal sides has _____ ________ 

no solution

200

An equation that simplifies to one variable equal to one value has _____ ________

One solution

300

An equation that is true for all values of the variable has _________ solutions.

Infinite

400

An _______ equation is an equation with no solution.

Inconsistent

500

An equation that has one solution is called ______ 

Consistent

Linear equations with 2 variables

100

Solve m/k = x for m

m= kx

200

Solve for x

u = x - k

x= u + k

300

Solve for a

u = k/a 

a = k/u

400

Express x in terms of y

5x - y = 3(x+y)

x= 2y

500

Find the value of y when x = 4

y -x = 1/3(x +14)

y= 10