Unit 4 Algebra Review

Substitution

100

Solve the algebraic expression using substitution:

n=2

n+3

5

200

Solve the algebraic expression using substitution:

n=15

25-n

10

300

Solve the algebraic expression using substitution:

n=12

n/3

4

400

Solve the algebraic expression using substitution:

n=2.5

n/5 + 4.5

5

500

Solve the algebraic expression using substitution:

n=12 y=10

(y²-16)÷n

7

Equivalent Expressions

100

2c+3c

5c

200

4n-3n+15

n+15

300

2(n-5)

2n-10

400

4c²+ 3c-c²-2c

3c²+c

500

5(4m+.2)

20m+1

Equations

100

Solve the equation:

n+3=10

n=7

200

Solve the equation:

n-12=25

n=37

300

Solve the equation:

3n-5=10

n=5

400

Solve the equation:

6n-6=30

n=6

500

Solve the equation:

n/2 + 3=13

n=20

Inequalities

100

Solve the inequality

n+3<5

n<2

200

Solve the inequality

y-15>2

y>17

300

Solve the inequality

2v+3>5

v>1

400

Write 3 numbers that are a solution for the following inequality:

2z-5≤ 15

z≤ 10

Any number equal to or less than 10

500

Draw on a number line to represent the following inequality:

3f-2≥25

f≥9

Show work

Words

100

What does product mean?

Times (multiply)

200

What does quotient mean?

Divide

300

Write an expression for the following: Five more than a number 

5+n or n+5

400

Write an expression for the following: 5 less than a number divided by 3 

n÷3-5

500

Write an expression for the following:

The sum of a number and 2 divided by 4.

(n+2)÷4