Solve algebraically
5x - 3y = 2
2x + 9y = 113
(7, 11)
Solve graphically
y=-2/3x-5
y=1/2x+2
(-6, -1)
At the Widgets and Wobblies store, you can buy.....widgets and wobblies. That's why Steve went there! On Tuesday, he bought 20 widgets and 14 wobblies, and he paid $88.12. He went back on Friday and bought 5 widgets and 10 wobblies for $31.65. Please determine the cost of each item.
Widgets cost $3.37, and wobblies cost $1.48
Solve graphically
y = -1/4x+1
y = 1/2x+4
(-4, 2)
Write the equation of a line that would be parallel to the line y = 4x - 3
Any equation of any form below is acceptable
y = 4x + (any positive number)
y = 4x - (any positive number EXCEPT 3)
y = 4x
Solve algebraically
y = 3x - 1
5x + 2y = 42
(4, 11)
Solve algebraically
10x + 8y = 8
-2x + 5y = 38
(-4, 6)
Solve graphically
y=3/5x+ 5
y=2x+5
(0, 5)
At a Red Wings game, Maddie and David bought 3 sodas and 2 hot dogs for a total of $19.87. Meanwhile, Andy and April bought 2 sodas and 6 hot dogs for $33.08. Determine the cost of a soda and the cost of a hot dog.
A soda costs $3.79
A hot dog costs $4.25
Solve graphically
y=3/5x+2
y=-1/5x+6
(5, 5)
Solve algebraically
4x - 10y = 14
8x + 5y = 103
(11, 3)
Solve algebraically
x = 8y + 3
10x - 4y = -46
(-5, -1)
Solve algebraically
4x + 6y = -80
-12x + 2y = 80
(-8, -8)
Solve graphically
y=-2x+9
y=4x+3
(1, 7)
At Friday's Amerks game, Kevin and Winnie bought 2 orders of chicken fingers and 6 burgers for $49.72. George and Weezie were also at the game, and they bought 4 orders of chicken fingers and 2 burgers for $41.54. Determine the cost of an order of chicken fingers and the cost of a burger.
Chicken fingers cost $7.49.
A burger costs $5.79
Solve algebraically
4x + 2y = 76
y = 2x + 2
(9, 20)
Solve algebraically
-3x + 9y = -39
7x + 5y = -39
(-2, -5)
Solve algebraically
x = 2y - 8
3x + 7y = 67
(6, 7)
Solve algebraically
6x + 15y = 180
4x - 3y = -36
(0, 12)
Solve algebraically
y = 4x - 10
14x + 5y = 52
(3, 2)
Solve graphically
y=-1/2x+4
y=3/4x-6
(8, 0)
Solve algebraically
3x + 5y = -32
x = 5y + 16
(-4, -4)
Solve graphically
y=-1/2x+9
y=3x+2
(2, 8)
Solve algebraically
y = 2x + 7
11x + 3y = 4
(-1, 5)
Solve algebraically
-2x + 7y = 81
4x + 2y = -18
(-9, 9)