Linear Functions

Question 1

The value of m

Answer 1

• m = rise/run = (x1 - x2)/y1 - y2)
• (x1, y1) and (x2, y2) are coordinates

Question 2

Linear Equation

Answer 2

y = mx + b

Question 3

Point-Slope Equation

Answer 3

y - y1 = m(x - x1)

Question 4

Standard Equation

Answer 4

• Ax + By + C = 0
• a ∈ W

Question 5

Conversions Between Equations

Answer 5

• m = -A/B
• b = -C/B

Question 6

Perpendicular Slopes

Answer 6

m = -1/m

Question 7

Intersecting Lines

Answer 7

m1 ≠ m2

Question 8

Parallel Lines

Answer 8

m1 = m2, b1 ≠ b2