7.1 Language of Equations

The Language of Equations

You MUST be able to reproduce the expressions in order to go to the next chapter

Multiple Choice

Write an algebraic expression for the word phrase.
12 more than (m) machines

• 12-m
• m-12
• 12+m
• m+12

Multiple Choice

Write an algebraic expression for the word phrase.
six times the daily amount of fiber (f) in your diet

• 6f
• 6+f
• 6/f
• 6-f

Multiple Choice

Which is NOT a word phrase for the algebraic expression.
24n

• 24 times a number
• 24 times n
• the product of 24 and a number
• the sum of 24 and a number

Poll

Subtract onions from a burger

• onion - burger

• burger - onion

• burger with onions

• burger made of onions

Multiple Choice

Subtract ten from the product of two and x to give a result of five

• 8-x=5

• 5=10-2x

• 10-2x=5

• 2x-10 = 5

Multiple Choice

3 less than a number =

• x-3

• 3+x

• 3-x

• x/3

Multiple Choice

The sum of seven and x

• 7-x
• x-7
• 7x
• 7+x

​Neatly complete EX 7.1

​Questions:

1,

2(2nd column),

3,

4(3rd column),

5-10

Reorder

Reorder the following

• To check if a value is a solution

• first substitute into the LHS

• then substitute into the RHS

• if they are equal then it is a solution

• otherwise the value is NOT a solution

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5