Analyze Meaning of Expressions

• 5 plus a number

• the difference of 5 and a number

• 5 more than a number

• the difference of a number and 5

Three times a number increased by nine

• 3h-9

• 3(h-9)

• 3(h+9)

• 3h+9

Write the phrase as an expression. "10 less than a number n"

• 10-n

• n-10

• n+10

• 10-n

The sum of seven and x

• 7-x

• x-7

• 7x

• 7+x

​ Algebraic ​ (a)   are mathematical ​sentences​ containing (b)   , ​ (c)   and ​ (d)   symbols.

• Numerical

• expressions

• numbers

• inequalities

• variables

• equations

• operation

________________ contains variables, numbers, and at least one operation.

• term

• equation

• constant

• expression

• c minus 5

• 5 less than c

• c increased by 5

• half of c

a mathematical phrase with numbers, variables, and operators

Answer: ​ (a)  

• associative property

• commutative property

• composite

• distributive property

• equation

• equivalent

• expression

• identity property

• prime

• prime factorization

The quotient of seven and w

• 7/w

• 7w

• w/7

• w7

There are 150 hi-chews in a bag. Bradley grabs a handful (he didn't steal them). What expressions shows how many hi-chews are left in the bag?

• 150x

• 150-x

• x-150

• x+150