a negative times a negative = ...
a positive
combine like terms: -2a + 5a
3a
what does COP stand for?
constant of proportionality
what are the parts of a circle? extra credit if you can do the dance from last year... 23 looking at you.
radius, circumference, diameter
multiply 20% by 15 and subtract OR multiply 80% by 15
what is a supplementary angle?
two angles add to 180
-3 + 14 = ...
11
combine like terms: 6z + 7s + 8z - 4s
14z + 3s
how can you check if there is a COP in a table?
divide y by x
what is the formula for the area of a circle?
area = pi x r^2
multiply the cost by 8% and add on OR multiply the cost by 108%
what is a complementary angle?
two angles add to 90
a positive divided by a negative = ...
a negative
what is the distributive property?
it allows you to simplify an expression by multiplying a number outside parenthesis by numbers inside the parenthesis
where do you find COP in an equation?
what is the formula for circumference?
c = pi x d or c = 2r x pi
nour sells a house for $435,000. he makes a 10% comission. how much does he earn?
$4,350
what do vertical angles have in common?
12 + (-9) - 4 = ...
-1
make an equivalent expression: 3(x-4) + 5x
8x - 12
in a proportional relationship... where would the line on a graph start?
the origin
the radius of a circle is 6. what's the area?
a = pi x 36
a car dealership buys cars for $12,000 wholesale. they make a 32% profit. how much do they sell the cars for?
$15,840
draw a picture of a pair of alternate interior angles
...
8 x -2 + 17 - (-12) = ...
13
make an equivalent expression: 5(-3p - 2a) + 3a - 4z
-15p - 7a - 4z
2 cups of rice serve 6 people... how many people would 43 cups serve?
129
the radius of a circle is 12. what is the circumference?
c = 2r x pi
c = 24 x pi
a pair of shoes is $85. there is a 20% discount and 6% sales tax. how much do they cost?
$72.08
draw a picture of a pair supplementary angles AND label their angle measures
...