Systems
x + y = -3
y = x + 3
What is (-3, 0)
y = x
y = 2x - 4
What is (4, 4)
y = 2
y = 2x - 4
What is (3, 2)
When a system has no solution you can say this about the lines.
What is parallel?
y = 2x
y = x + 1
What is (1, 2)
y = x + 3
y = -2x - 3
What is (-2, 1)
x = 6
2x - y = 5
What is (6, 7)
y = mx + b
What is slope - intercept form?
The solution to a system of equations
What is "coordinate point" or "point of intersection"?
y = 3x
y - 4 = 3x
What is no solution
y - 4x = 8
y = 2(2x + 4)
What is colinear, infinitely many solutions
y = x - 10
y = -12
What is (-2, -12)
Ax + By = C
What is Standard Form?
The algebraic strategy used to solve a system that involves removing a variable. In the process you add/subtract the two equations.
What is elimination?
y = -2x
x = 0
What is (0, 0)
x - y = 3
y = x - 3
What is colinear, infinitely many solutions
y = -2x
x = 0
What is (0, 0)
Change in y over change in x
What is slope?
The approach to solve systems of equations by drawing lines.
What is solve systems of equations by graphing?
y = 1/4 x
x + 4y = 8
What is (4, 1)
y = 1/4x
4y - x = 8
What is no solution
x = 1/3
y = 9x + 6
What is (1/3, 9)
What is an outlier?
An algebraic approach to solving equations involving plugging one equation into another.
What is substitution?