Algebra End of Unit Review

Vocab

100

Define expression

A math phrase made up of numbers, variables, or operations. 

200

What's the difference between an expression and an equation. 

An equation has an equal sign. An expression does not. 

300

Define constraint

a limit, boundary, restriction, etc. 

400

What does it mean to combine like terms?

To simplify expressions that have the same variables.

500

List the steps to solve a problem using the addition property of equality (inverse operation) 

x-4=10

1. add 4 on both sides 

x-4 (+4) = 10+4

2. solve for x

x=14

2-Step Equations

100

Solve for x: 

9x-7=-7

x=0

200

Solve for m:

-15= -4m+5

m= 5

300

Solve for s:

88-4s=8

s= 24

400

Solve for n:

2(n+5)= -2

n= -6

500

Solve for k:

7(9+k) = 84

k= 3

Combining Like Terms

100

Solve for a: 

6a+ 5a= -11

a= -1

200

Solve for x: 

4x+6+3= 17

x= 2

300

Solve for x: 

40+20x=80+15x

x= 8

400

Solve for n:

5(n+2)= 3n+16

n= 3

500

Solve for x:

4(40-x) + 7x= 205

x= 15

Polynomials

100

How many degrees are in the following polynomial:

2x⁴+8x⁹-3

9 degrees

200

Which is the leading coefficient:

2x⁹-3x⁷+4

2

300

Rewrite the following polynomial in standard form:

9x+3x³+x⁵-8

x⁵+3x³+9x-8

400

True or false: 

9x has 0 degrees. 

False. It has 1 degree. 

500

Find the sum: 

(s³-2s-9)+(2s²-6s³+3)

-5s³+2s²-s-6

Literal Equations

100

Solve for s:

P=4/s

P/4=s

200

Solve for y:

y+3x=8

`

y=8-3x

300

Solve for h:

A=1/2bh

h= 2a/b

400

Solve for r:

d=rt

d/t=r

500

Solve for b:

P=a+b+c

b=p-a-c