Lesson 3.2: Writing Two-Variable Linear Equations Answers

The function f(x) is graphed below.What is the equation of the line that is perpendicular to f(x) and passes through the point (4, –6)?

Which expression can be used to find the slope of a line containing the points (–3, 2) and (7, –1)?

If y = mx + b is the equation of a line perpendicular to the line y = 5x – 2, what is the value of m?

A food production company is choosing between two suppliers of grain. Supplier A sells grain for $5.25 per bushel plus a delivery fee of $3 per bushel. Supplier B sells the grain for $6.50 per bushel plus a flat delivery fee of $1,500 each week. Which supplier would cost more if the production company bought 500 bushels of grain each week?

What is the equation of a line that passes through the points (3, 6) and (8, 4)?

If f(x) is parallel to the line , which function could be f(x)?

An electrician charges a flat fee plus an hourly rate for a service call. She charges a total of $94 for a 3-hour service call on Monday and $130 for a 5-hour service call on Tuesday. How much should she charge for a 2-hour service call?