Solve by Graphing
Definitions
Substitution
Solving for
Variables
Variables
100
What is the solution?
(-1,1)
100
In the equation y =mx+b, what letter represents the slope?
What is B?
100
If y = 2x + 3 , what is y when x = 1 ?
5
100
Solve for y in the equation: 2y+3=9
y=3
200
How many solutions are there?
No Solutions
200
What's a coefficient?
A number in front of a variable
200
Solve for x in the equation: 3x + 4 = 10
x=2
200
What is x in the equation 5x−10=0 ?
x=2
300
Solve Using Graphing:
y = 5/3x + 2
y = -3
300
Explain what solving through graphing means
Graphing two lines to find an intersection point, thus solving the system
300
If y = x - 5 and x + y = 10 , what is the value of x ?
x=7.5
300
If 4x+2=14, what is the value of x?
x=3
400
How many solutions are there?
Infinitely Many Solutions
400
The following equation, 3x + 7y = 12 is an example of a _____ equation
What is linear?
400
Solve the system: y = 2x and y = 4
The solution is (2,4).
400
400 Points: Rearrange the equation 3x+2y=12 to solve for y.
500
Solve the systems of linear equations by graphing:
500
If x = 3y + 2 and y = 2 , what is the value of x ?
x=8
500
Solve for z in the equation 2z−4=10
z=7