Solve the system of linear equations: 3x + y = 0 x + y= 4
(- 2,6)
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15
Two points on a line are (10,55) and (15,82.5). What is the slope of the line?
5.5
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25
Leyton buys bags of popcorn and bags of pretzels for a party. A bag of popcorn costs $2. A bag of pretzels costs $3. Leyton spends $24 for 10 bags in all. How many of each does he buy?
6 bags of popcorn, 4 bags of pretzels.
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5
How many solutions? 9x=7(x-2)+2(x+7)
infinitely many solutions
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5
How many solutions? 4x-2=6x-3
one
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thief
Give points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
baam
Lose 20 points!
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15
Solve the system of linear equations: 2x+4y=12 x=y
(2,2)
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5
How many solutions? 3(3+x)=3x-3
no solution
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25
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20
Solve the system of linear equations:4x-2 = 3y y=3x
