Parallel lines result in what type of solution?
No Solution.
State the solution to the following graph.
(2,4)
Solve the following system by substitution.
y=3x
x+y=-32
(-8,-24)
Using elimination solve the following system
-2x+4y=4
3x-4y=2
(6,4)
How many solutions does the following system have?
y=1.5x+2
y=3x-1
One.
The point of intersection for a system of equations.
Solution to a system of equations.
True or False: The solution to this system of equations is (-3,2).
False.
Is (2,16) a solution to the following system
y=9x-2
y=3x+10
Yes.
Describe what the first step would be in order to solve the following equation by elimination?
-x+2y=-13
2x+3y=12
In situations where neither of the variables in the two equations has opposite coefficients, it may be necessary to multiply one equation by a constant in order to create opposite terms.
Identify m and b from the given equation.
y=-3x+6
m= -3
b=6
Two or more linear equations that use the same variables.
system of equations
State the equations to the following system of equations in slope-intercept form from the given graph.
y= -1/2x+3
y=5
Solve the following system by substitution.
y=-x+4
5x+6y=13
(11,-7)
Is 8x=16 the result of the two equations below added together?
5x-2y=42
-3x+2y=-26
False.
Write a second equation that would make this equation a system with "no solution".
y=-8x+15
Any equation with the same slope but diff y-int.
Infinitely many solutions.
Solve the following system by graphing.
y=x-3
y=2
Solve the following system by substitution.
-10x+2y=4
-9x+3y=18
(2,12)
Solve the following system by elimination.
-3x+y=-8
4x+3y=28
(4,4)
At a bakery, the cost of one cupcake and two slices of pie is $12.40. The cost of two cupcakes and three slices of pie is $20.20. What is the cost of one cupcake?
x+2y=12.40
2x+3y=20.20
$3.20
Name the method in which you must first set both equations in slope-intercept form before solving.
Graphing method.
Solve the following system of equations by graphing.
y=1/2x
-6x+3y=-18
Is (2,1) a solution to the following system?
y=x+2
5x-4y=-3
No.
Explain when you think the method of elimination would be most helpful to solve a system of equations rather than one of the previous methods used?
When neither equations are written in slope-intercept form.
Create your own real-world system of equations word problem.
Varies.