Unit 4 Generate Equivalent Expressions

A term that contains only a number is a

• Constant

• Coefficient

• Term

• Variable

The number part of a term that contains a variable is a

• Constant

• Coefficient

• Term

• Variable

A letter that represents an unknown value is a

• Constant

• Coefficient

• Term

• Variable

Haddie makes and sells knit scarves. Next week she will pay a $25 fee for the use of a book at the craft fair. Write an expression to determine Haddie's profit for selling S scarves after paying the fee for the use of the booth.

• 12s-25

• 12s+25

• s+25

• s-25

The cost to by P pounds of potatoes at $0.32 per pound and N pounds of onions at $0.48 per pound can be determined by the expression 0.32p+0.48n.

How much will it cost for 4.5 pounds of potatoes and 2.5 pounds of onions?

• $2.64

• $2.87

• $3.08

• $4.99

-8w+(-4z)+2+6w+9z-7

• -2w+5z-5

• -2w-5z+5

• -5w

• -24w

-6 + (-2d) + (-4d) +3d

• -6

• -6-3d

• 6-3d

• 6+3d

Expand the Expression:

3.5(-3n+4)

• -12n+6

• -10.5n+14

• 13n-4

• 10.5n