Tables
X: 5 -12 7 -8
Y: 25 -60 35 -40
Direct Variation, k = 5
4y – 3x = 0
Direct Variation, k = 3/4
X: 15 -21 24
Y: 45 -54 -63
Missing? A: -18, 72
Trailblazers Inc. is known for making high quality suits. If they take 9 days to stitch 90 suits, how long will it take them to complete an order of 180 suits?
18 days
WITHOUT A CALCULATOR:
What is 1000/100 = ???
A: 10
X: 36 8 24 12
Y: 2 9 3 6
Inverse Variation, k = 72
5xy + 8 = 12
Inverse Variation, k = 4/5
X: 2 -3 5
Y: 15 6 3
Missing? A: 10, -10
A popular hair salon disbursed daily wages of $614.88 equally among 8 shampooers. Determine the number of shampooers that were employed at the salon the following day, if the salon paid out a total of $1152.90 as daily wages.
15 shampooers
Direct Variation --> Product (*)
Inverse Variation --> Ratio (_/_)
True or False?
X: 7 -13 -6 29
Y: 49 -91 -42 203
Direct Variation, k = 7
–2x + 5y = 0
Direct Variation, k = 2/5
X: -3 -5 15
Y: -25 5 3
Missing? A: 25, 15
Shaun eats six egg whites a day with a protein content of 21.6 grams. Calculate his protein intake, if he consumes 9 egg whites a day. (One decimal place)
32.4 grams
Write an equation that goes through the points (-2,8) and (2,10).
y = 2x + 12
or
y = 2x + 6
X: -9 -18 -6 -12
Y: -4 -2 -6 -3
Inverse Variation, k = 36
–4 + 9yx = 3
Inverse Variation, k = 7/9
X: -1 -4 -8 -16
Y: -6 -24
Missing? A: -48, -96
Acela Express, the fastest train between Washington D.C and Boston covers a distance of 455 miles in 7 hours. How many miles will the train travel in 4 hours?
260 miles
NO INTERNET/RESOURCES
Which two months are back to back that both have 31 days?
July and August
X: 24 49 72 18
Y: 6 7 8 9
Neither
–10 + 15xy = 20
Inverse Variation, k = 2
X: 96 -256 68 -514
Y: 48 34
Missing? A: -128, -257
Mr.Green landed at JFK airport and exchanged €700 for $854 at a currency exchange store. He realized that he would need more cash and exchanged €400 more. How many dollars did he receive for the second transaction?
$488
Write an equation that passes through the origin and (0,4).
y = 4