Pre-Algebra - Ch. 4.7 Writing Equations in Point-Slope Form

Problem #12

Write in slope-intercept form an equation of the line that passes through the given points.

(-1, -1), (1, 5)

Mathematical Equivalence

ON

Problem #14

Write in slope-intercept form an equation of the line that passes through the given points.

(-2, 3), (2, 7)

Mathematical Equivalence

ON

Problem #19 a

CARS: After it is purchased, the value of a new car decreases $4000 each year. After 3 years, the car is worth $18,000.

a. Write an equation that represents the value V (in dollars) of the car x years after it is purchased.