Making Equations
Distributing
Substitution Method
Elimination Method
Review
100
Write the equation for the following
you have $600 saved in your account and spend $50 per month.
y = -50x + 600
100
simplify
3x(2x -6)
6x2 - 18x
100
Solve
y = -2
3x + 4y = 10
(6, -2)
100
x + 3y = 2
2x - 3y = 1
(1, 1/3)
100
Find the missing sides of the diamond problem.
-3 and -4
200
Make an equation to represent the table
y = 2x - 7
200
Multiply the binomials
(2x + 5)(5x - 1)
10x2 + 23x - 5
200
Solve the system
y = x - 1
y = 2x + 2
(-3, -4)
200
Solve the system
3x + 3y = 18
5x + 3y = 28
(5, 1)
200
A car travels 240 miles on 8 gallons of gas. What is the car's miles per gallon (mpg)?
30 mpg
300
Make an equation from the graph 
y = 1/2x + 2
300
Solve the equation
3(x + 1) = 2x + 5
x = 2
300
Solve the system
y=2x+2
3x+y=12
(2, 6)
300
Solve the system
3x+2y=16
x − y = 2
(4, 2)
300
Find the solution to the system
(1, -3)
400
y = 14n + 200
400
Solve the equation
-2(x - 1) + 5x = 8x -4 - 5x
No solution
400
Solve the system
2x + 5y = 19
y = 3x - 3
(2, 3)
400
Solve the system
5x+4y=20
3x+2y=12
(4, 0)
400
Is the point a solution to the system? (-2, 1)
2x - 4y = 10
x - 2y = -4
No
500
y = -3/4x + 3
500
Multiply
(3x + 4)(2x + y - 1)
6x2 + 3xy + 5x + 4y - 4
500
Alfred is four years older than Tina. Together they are 36 years old. How old is Alfred and how old is Tina?
A = 20
T = 16
500
A hot dog stand sells hot dogs for $4.25 and fries for $2.75. On Monday, the stand sold 15 items and made $56.25. How many fries did they sell
f = 5
500
Solve for y and determine the x-intercept and y-intercept:
4x - 2y = 20
y = 2x -10
x-intercept: (5,0)
y-intercept: (0,-10)