What's your sign?
Sketch it
Got a solution, solve a system
Bring on the words
100
(-14) (-36) - 32
472
100
y < -3 + x
Slope 1 y intercept -3
100
y = 4 - 3x y = 2x - 1
(1,1)
100
It is estimated rainforests are being cut down at a rate of 100 trees per minute. At this rate how many are cut down every day? Every week?
day = 144,000 week = 1,008,000
200
24 ( 15 - 76)
-1464
200
-1 < x < 2
open circles. closed number line between -1 and 2 on x axis
200
2x + y = 10 5x - y = 18
(4,2)
200
The local bakery sells a baker's dozen of of bagels for $6.49 while the mercado down the street sells a bag of 6 for $2.50. Which store has the better price? (hint- a baker's dozen is a dozen plus 1)
bagel $0.50 mercado $0.42
300
-35 ( 44) + 23
- 1517
300
y > -2 - 1.5x
slope -3/2 y intercept -2
300
3x + 5y = 4 3x + 7y = 2
(3, -1)
300
The costs for 2 to attend a Bucks basketball game are given by 2x + 3y + 13.50 and 3x + 2y = 16.50 where: x = cost of an adult ticket in dollars y = cost of a child's ticket in dollars What are the prices of adult and childrens tickets
adult $4.50 child $1.50
400
-12 - 38 _______ 15
-3.3333333.....
400
2x - y > 4
inequality switches to < slope -2 y intercept 4
400
y < -2 + 3/2x y> 1 - x (graph the system)
slope 3/2 and y intercept -2 slope -1 and y intercept 1
400
A photographer took pictures for the yearbook. She charged $3.25 for a wallet picture and $10.50 for a portrait. Emil bought a total of 10 pictures for $61.50. Write a system of equations, solve it, explain your meaning.
w + p = 10 3.25w + 10.50p = 61.50 6 wallets and 4 portrait sized pictures
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