More than one equation to be solved at the same time is know as this.
System of Equations
Solving by Graphing
y = x + 4
y = 2x + 5
(-1, 3)
The solution to the system of equations:
r + s = -6
r - s = -10
(-8, 2)
The solution to the system:
x = 4y
2x + 3y = 22
(8, 2)
2y-5=5y+10
Solve y
y=-5
Solve
x + y = 2
y = 3
(-1,3)
The solution to the system of equations:
y = 3x - 2
y = -x - 2
(0, -2)
The solution to the system:
8a + 5b = 9
2a - 5b = -4
(0.5, 1)
The solution to the system
y = x - 2
3x - y = 16
(7, 5)
Find the value of 2 numbers if their sum is 12 and their difference is 4.
4, 8
What is the solution of a system of equations on a graph?
The intersection point.
The solution to the system of equations:
y = x-8
x = 5
(5, -3)
The solution to the system:
2x + 3y = 6
3x + 5y = 15
(-15, 12)
The solution to the system
y = 3x - 1
7x + 2y = 37
(3, 8)
The difference between 2 numbers is 3. Their sum is 13. Find the numbers.
5,8
y = mx + b is more formally known as what form?
slope-intercept form.
The solution to the system of equations
y = (1/3)x - 3
2x - y = 8
(3, -2)
2a - 4b = 12
-8a + 16b = -48
infinitely many solutions
The solution to the system
3s - 2t = 4
t = 2s - 1
(-2, -5)
Is (4,5) the solution to the following system?
4x - y = 12
x + 6y = 13
Explain.
When do we use substitution to solve system of equations?
When there's one isolated variable.
The solution to the system of equations:
y - 3x = 3
y = 3x - 2
no solution
The solution to the system:
(1/3)x + (1/4)y = 10
(1/3)x - (1/2)y = 4
(24, 8)
The solution to the system
t + u = 12
t = (1/3)u
(3, 9)
2(y+3)+4y= 4(y+3)
y=3