Algebra 1 Review (ch 1-6)

Equations

100

2/3 = w + 1/4

5/12

200

5y - 4 = 9y + 8

-3

300

3(2k - 2) = -2(4k -11)

2

400

/ 2b + 5 / = 9

-7 and 2

500

-3 /p - 4/ = -18

-2 and 10

Arithmetic Sequence

100

Write the next 2 terms: 

-40, -32, -24, -16

-8, 0

200

Write the next 2 terms:   

5, 17, 29, 41, 

53, 65

300

What are the next 3 terms of this sequence:

1/6,   1/3,   1/2,   2/3,  ...

5/6,    1,   7/6

400

Write an equation for this sequence:

6, 11, 16, 21, ...

a_n= 5n+1

500

Write an equation for this sequence:

28, 25, 22, 19, ...

a_n= -3n + 31

Writing Linears

100

Write an equation that goes through:   

(0,4) and (-3, 0)

 y = (4/3)x + 4

200

Write an equation that goes through: 

(2,-3) and (0, -9) 

y = 4x - 11

300

Write an equation for the line that crosses (-4, 2) and has a slope of -3.

y = 3x - 9

400

Write the equation of a line that is parallel to y = 3x-5 and passes through (3,10).

y = 3x + 1

500

Write an equation of a line that crosses 

(3, -5) and is perpendicular to y = -1.5x + 6

y = (2/3)x - 7

Inequalities

100

7w < -42

w < -6

200

-9m < -36

m>4

300

-2(x - 4) > 5x - 13

x < 3

400

For what compound inequality is this true:

-11< 2h - 5 < 13

-3 < h < 9

500

For what conditions of x would the following equation be true:     

/ 2f +7 / > 21

f < -14    or   f > 7

Systems

100

y = 2x 

y = 6 - x

(2, 4)

200

y = x - 3

y = -2x + 9

(4, 1)

300

x - y = 4

x + y = 10

(7, 3)

400

3x + 7y = 2

3x - 4y = 13

(3, -1)

500

3x - 2y = 5

x = -4y - 3

(1, -1)