Graphing Linear Equations
Writing Equations
Solving Systems of Equations
Solving Systems of Equations Part 2
Random
100
Graph x = -4, and identify the slope.
Slope is undefined.
Show graph on board.
100
Write the equation of a line that has a slope of -2 and a y-intercept of 9.
y = -2x + 9
100
Solve the systems of equations by graphing:
y = -3x + 4
y +3x = -8
No solution.
100
Solve the system of equations using elimination:
y + 2x = 6
-y -x = 4
Solution is (10,-14)
100
Identify the slope and point used in the formula below:
y - 2 = 1/2 (x - 6)
Point: (6,2)
Slope: 1/2
200
Identify the slope and y-intercept and then graph:
y = -1/2x - 3
y-intercept: (0,-3)
Slope: -1/2
Show graph on board.
200
Write the equation of a line that has a slope of 0.
Multiple answers.
200
Solve the systems of equations using your preferred method:
y = -1/3x + 2
y = 2
Solution is (0,2)
200
Solve the system of equations using your preferred method:
y = 1/2x - 3
2y - x = 4
No solution.
200
Write the following equation in point-slope form:
Multiple answers depending on which point you use.
Slope is -2/3.
300
Graph the following equation using intercepts:
4x + 6y = 12
x-intercept: (3,0)
y-intercept: (0,2)
Show graph on board.
300
Write an equation of a line that passes through the point (1,6) and has a slope of 2.
y - 6 = 2 (x - 1)
300
Solve the system of equations by graphing:
6x - 3y = 18
y = -2x + 6
Show graph on board.
Solution is (3,0)
300
Solve the system of equations using your preferred method:
y = -2x - 1
4x + 2y = -2
Infinitely many solutions.
300
Graph 6x - 3y = 12 using intercepts.
x-intercept: (2,0)
y-intercept: (0,-4)
400
Graph the following equation:
y + 4 = -2 (x - 6)
Show graph on board.
400
Write an equation of a line that passes through the point (-2,5) and has a slope of 1/3.
y - 5 = 1/3 (x + 2)
400
Solve the system of equations by substitution:
y = -4x - 10
2x - 2y = 30
Solution is (1,-14)
400
Solve the system of equations using elimination:
3x + 2y = 4
2x + 4y = 12
Solution is (-1,3.5)
400
Write an equation in slope-intercept form of a line that passes through (-1,5) and (1,-1).
y = -3x + 2
500
Rewrite the following equation into slope-intercept form, and then graph.
y - 8 = -3 (x + 4)
y = -3x - 4
Show graph on board.
500
Write an equation in standard form that has an x-intercept of -2 and a y-intercept of 4.
Multiple answers.
500
Solve the system of equations by substitution:
-2y + 4 = 3x
6y - x = 12
Solution is (0,2)
500
There are 13 animals in the barn. Some are chickens and some are pigs. There are 40 legs in all. How many of each animal are there?
There are 7 pigs and 6 chickens.
500
A class of 195 students went on a field trip. They took 7 vehicles, some cars and some buses. Find the number of cars and the number of buses they took if each car holds 5 students and each bus hold 45 students.
They took 3 cars and 4 buses.