Substitution
Writing Equations
Solutions to Systems of Equations
Solving Equations
100
Find the solution to this system of equations
y = -6x + 11
x = 2
(2, -1)
100
A cell phone plan costs $200 to activate and then a monthly charge of $45 for data.
Write an equation representing how much money (y) the plan will cost over (x) months.
y = 45x + 200
100
What is the solution to this system of equations?
(2, -1)
100
Solve the equation
3x - 7 = 53
x = 20
200
Find the solution to this system of equations
y = 4x - 50
y = -38
(3, -38)
200
Jaime is saving up money to buy a car. She has $50 in her savings account right now. She saves $65 each week from her job to put toward her car.
Write an equation representing the money in her savings account using y as the amount of money and x as the number of weeks.
y = 65x + 50
200
What is the solution to this system of equations?
None
200
Solve the equation:
13 + 5x = 1 + 7x
x = 6
300
Find the solution to this system of equations
y = 1/2x + 4
y = 0
(-8, 0)
300
Write an equation in slope-intercept form for the graph.
y = 1/3x + 1
300
Graph y = 3x and write down the coordinate where they meet
(1,4)
300
Solve the equation:
5(x - 7) = -14 - 2x
x = 3
400
Find the solution to this system of equations
y = 8x + 13
y = -8x - 19
(-2, -3)
400
What is the equation of the blue line?
y = -2x + 2
400
Graph y = 4x + 3 and find the solution
(-2, -5)
400
Solve the equation:
-1(6 + 4x) - 5x = -11 - 8x
x = 5
500
Find the solution to this system of equations by substituting
y = 1/2x - 4
y = 4x + 10
(-4, -6)
500
At the beginning of the year, Mr. Johnson bought 5000 pencils. Every week, he takes out 25 pencils for students who don't have one.
Write an equation representing how many pencils he would have left (y) after (x) weeks.
y = 5000 - 25x OR y = -25x + 5000
500
Graph y = -2x - 4 and find the solution
(-4, 4)
500
Solve the equation:
-22-17(1+6m)=4(-21m-39) -15m
m = 39