Systems with Graphs
Solving by Substitution
Random
What step is this?
100
What is the solution?
(-1,1)
100
Solve the systems of equations:
-3x + 4y = -2
y = -5
(-6, -5)
100
What is this form called?
y = mx + b
Slope Intercept Form
100
What step is being performed?
2( x + 4) = 24
2x + 8 = 24
Distributive Property
200
How many solutions are there?
No Solutions
200
Solve the systems of equations:
-5x - 5y = 10
y = -4x -17
(-5, 3)
200
In the equation :
y=mx+b, what are m and b?
m is the slope
b is the y-intercept
200
What step is being performed?
2x + 4 = 16
2x = 12
Isoloate the Variable
300
Solve Using Graphing:
y = 5/3x + 2
y = -3
300
Solve the systems of equations:
y = -2x - 9
3x -6y = 9
(-3, -3)
300
FILL IN THE BLANKS:
when graphing equations in y=mx+b form, the first thing you do is ______ the next thing you do is____
when graphing equations in y=mx+b form, the first thing you do is plot the y-intercept the next thing you do is use the slope to get a second point and connect the points.
300
What step is being performed?
2x + 12 = -x + 36
2x = -x + 24
Get rid of same thing on both sides.
400
How many solutions are there?
Infinitely Many Solutions
400
Solve the systems of equations:
-8x - 5y = -24
-x + y = 10
(-2, 8)
400
In the equation:
y=-x+0.5, what is the slope and what is the y-intercept?
slope= -1
y-intercept = 0.5
400
What step is being peformed:
2x + 3x -5 = 15
5x - 5 = 15
Combine like terms.
500
Solve the systems of linear equations by graphing:
500
Solve the following System of Equations
-6y + 2 = -4x
x=y-2
First step, substitute the x into the top equation.
(-5,-3)
500
In the equation:
y=-5x, what is the slope? What is the y-intercept?
slope=-5
y-intercept=0
500
What step is being performed?
2x = 24
x = 12
Solving for the variable.