Vocabulary
100: Define 'coefficient'
Number multiplied by a variable
Are 7+2x and 2x+7 equivalent?
Yes, commutative property
Apply: 4(2+x)
8+4x
Shirt $20 + 5% tax
$21
Tour operator 15n+7. "n" represents
Number of people
Define 'term'
Number, variable, or product of both
Equivalent to 3(x+2)
3x+6
7(a-3) = ?
7a - 21
Take-home pay $15/hr×8 minus 10%
$108
A bookstore clerk works overtime at $11 +11%. The total is
12.21/hr
Define 'equivalent'
Same value
Factor 5d+30
5(d+6)
True/False: 5(x+4)=5x+4
False, should be 5x+20
200 minus 20% discount
$160
Welding: 28h+45. h stands for?
Hours worked
Define commutative property?
Order doesn't change sum/product
Check equivalency using substitution
Plug same number for variable
Write 9(y+8)
9y+72
12.50×0.12
$1.50
A hotel front desk clerk works 35 hours at $13.00 per hour. One night a staff members calls in sick and the clerk needs to cover part of the extra shift. If the clerk puts in 5 extra hours and is paid 1.5 overtime, how much will she earn?
$552.5
Define rational number
Can be written as a fraction
Expression equal to 6m-12
6(m-2) or 3(2m-4)
Factor 15r+45
15(r+3)
Dinner $45+6%+15%
$55.35
Create job expression
Student example