Substitution
Elimination
Mix
Distributive Property
Vocabulary
100
5x = 4y + 30 ... x = - 2y + 6
x = 6, y = 0
100
x - 5y = -184/9 ... - 5x + 5y = 200/9
x = -4/9, y = 4
100
2x + y = 12 ... 2x + 3y = 28
x = 2, y = 8
100
- 5(3 + x) = - 70
x = 11
100
The ratio of rise to run that dictates the steepness and direction of a line.
What is slope?
200
y = - 4x + 38 ... 3y + 4x = 34
x = 10, y = -2
200
3x - 2y = 15 ... 4x - 2y = 16
x = 1, y = -6
200
4x - 3y = - 12 ... - 4x + y = 12
x = -3, y = 0
200
7(3x + 6) = - 105
x = -7
200
The value of y at the point where a curve crosses the y-axis.
What is y-intercept?
300
- 5x = - 3y + 25 ... x = - 4y - 28
x = -8, y = -5
300
- 2x + 3y = - 40 ... - 3x + 3y = - 48
x = 8, y = -8
300
3x + 4y = 29 ... 3x + 2y = 13
x = -1, y = 8
300
6(10 + 7x) = - 108
x = -4
300
The side opposite the right angle in a right triangle.
What is hypotenuse?
400
x = - 4y + 10 ... - 4x - 3y = -1
x = -2, y = 3
400
- x - 2/5y = -38/5 ... - 3x - 5y = - 38
x = 6, y = 4
400
- x - 5y = 10 ... 2x + 4y = - 8
x = 0, y = -2
400
5(2 + 6x) = 370
x = 12
400
A type of equation that can be modeled by y=mx+b or Ax+By=C amongst other variations.
What is a linear equation?
500
y = x - 16/9 ... 2y - 3x = -50/9
x = 2, y = 2/9
500
x + 5y = 58 ... 3x + 10y = 124
x = 8, y = 10
500
4y + 2x = 8 ... y = 3x + 23
x = -6, y = 5
500
- 2(10 - 4x) = - 20
x = 0
500
Two lines that can represented by a slope of -a/b and b/a.
What are perpendicular lines?
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