Algebra Unit 1 Review

Vocabulary

100

A variable is a ______ that represents an unknown value. 

Letter

200

The ______ is the value in front of a variable in a term.

coefficient 

300

A term without any variable is a ______.

constant

400

An _______ shows that both sides are not equal.

Inequality 

500

When you multiply or divide by a negative number, the inequality sign is _____.

Flipped

Solving Linear Equations

100

Solve the equation:

-12c -4 +7.5c -11= -6

c= -2

200

Solve the equation:

-11 + 1.5(2 - 6d) + 1.5d = 29.5

d = -5

300

Solve the equation:

16c - 79 = -24c + 49

c = 3.2

400

Which value of b makes the equation true?

-0.8(10 - 35b) = -2b + 82

b = 3

500

Solve the equation:

-4(x + 2) = -9x + 12

x = 4

Simplifying Expressions

100

Simplify -2(3x-9)

-6x+18

200

Simplify -8(-a+10)

8a-80

300

Simplify 5(12-5b)

60-25b 

-25b+60

400

Simplify 10-0.5(12-8b)+b

5b+4

500

Simplify an expression for the PERIMETER of the SQUARE  

Equation: 5.9x-3.3

23.6x-13.2