Standard form to slope-intercept form
Review of Lines
Solve By Graphing
Elimination Steps
Solve by Elimination
100
3x - 2y = 4
y = 3/2x -2
100
What is the slope of the line:
y=3x+8
3
100
What is the solution?
(-1,1)
100
For this problem, is it easier to cancel out the x or y? why?:
-3x + 4y = -2
3x - 7y = 4
x because the coefficients are already opposites
100
Solve the systems of equations using Elimination:
14x + 2y = 26
-14x - 6y = -50
(1, 6)
200
y + 5x = 10
y = -5x + 10
200
What is the slope?
2/5
200
How many solutions are there?
No Solutions
200
What would you multiply the top equation by to eliminate the y variable?:
-5x - 5y = 10
4x + 10y = 2
2
200
Solve the systems of equations using Elimination:
-3x - 24y = -66
3x + 4y = -14
(-10, 4)
300
3x + 5y = 10
y = -5/3 x + 2
300
What is the rate of change between these points?
(-4, -6) and (11, -21)
m = -1
300
What is the solution to this system of equations?
(-3,-3)
300
Evaluate when x = 4
2x - 4y = 5
3/4
300
Solve the systems of equations using Elimination:
15x - 6y = 36
8x - 6y = 22
(2, -1)
400
2x - y = 14
y = 2x - 14
400
Find the equation of the line
y = -3/4x + 7
400
Solve the systems of linear equations by graphing:
400
-8x - 5y = -24
24x + y = 19
What do you multiply the bottom equation by to eliminate the x variable?
3
400
Solve the systems of equations using Elimination:
3x + 2y = 4
x + y = 8
(-4, 12)
500
5x - 6y = 30
y = 5/6x - 5
500
Graph the line:
2y-3x=10
y=3/2x+5
500
How many solutions are there?
Infinitely Many Solutions
500
How many solutions?
y = 2x + 1
y = 2x - 4
no solution
500
Solve the systems of equations using Elimination:
-3x - 5y = 2
6x + 10y = 0
No Solution