Algebra Introduction

Which is the variable in the expression 3n+2=8

• 3

• 2

• 8

• n

Which term is the numerical coefficient in the expression 3n+2=8

• 3

• n

• 2

• 8

Which is the constant term in the expression 3n+2=8

• 2

• 3

• n

• 8

Finish this expression 3n+2 for n=4

• 14

• 9

• 12

• 36

Finish this expression x/2 +3= for x=6

• 2

• 6

• 65

• 15

What does the term DIVIDED BY mean in terms of Algebra?

• Division

• Splitting into groups

Which expression fits the sentence: 5 more than a number times 2.

• 5n+2

• 2n+5

• n+5+2

• 2n 5n

What is an expression for this table
 Input   Output
1              4
2              6
3              8
4             10
5              12

• 2n+2

• 4n

• 4n-2

• n+3

What is the expression for the table:

Input Output

1 2

2 5

3 8

4 11

5 14

• n+1

• 2n

• 3n-1

• n+3

What is the difference between an equation and an expression?

• There is no difference

• An equation has an answer and an expression could have an answer.

• Equation can only have one term after the equals sign and an expression could have one or more terms after the equals sign.

• An expression we do not know what one quantity is equal to and an equation we know what one quantity is equal to another quantity.