Algebra 1 Unit 1

Solving simple equations

100

N + 16= 25

N = 9

200

-30 = y + 8

y = -38

300

-3.2 = 4.5 + p

-7.7

400

-42 = 3m

-14m

500

-0.5x = 17

x = -34

Solving Multi-step Equations

100

3x + 14 = 35

x = 7

200

9y + 4y = 26

y = 2

300

16x - 3x = -52

x = -4

400

1.2 = 2.4 - 3y

y = 0.4

500

4.6 = 4x - 3.4

x = 2

Solve Equations with Variables on both sides

100

15x - 8 = 14x + 3

x = 21

200

4y - 15 = 4y + 11

Not true/ no Solution

300

10y - 6 = 4y - 15 - 3y

y = -1

400

0.25(8x-4) = x +8 - 2x

x = 3

500

0.5(12 - 24x) = -2(6x - 3)

True/ All real numbers

Solve Absolute Value Equations

100

How far away is 0 from 4

|-4|

4

200

|x| = 3

x = 3 and x = -3

300

|x| = -5

No Solution

The distance away is always positive 

400

Solve

|x - 4| = 7

x = 11 and x = -3

500

|4h - 2| = 2|h + 3|

h = 4 and h = -2/3

All about Inequalities

100

When an inequality equation says no less than what inequality symbol do we use?

Greater than or equal to

200

One-fourth a number x is less than 5. Write an inequality equation.

1/4x<5

300

Write and solve.

The difference of a number and 7 is less than 2

x-7<2

x<9

400

Solve 

25>X+14

x>11

500

Solve   x/-4>4

x>-16