Algebra 2
Name:_______________________________
Progress Check #1: Linear Equations
Period: 3A
Formulas:
Slope-Intercept Form:
𝑦 = 𝑚𝑥 + 𝑏
Slope Formula:
𝑚 =
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1) You are visiting Baltimore, MD and taxi company charges a flat fee of $3.00 for using the taxi and
$0.75 per mile. The equation for the taxi situation is the following: 𝑦 = 0.75𝑥 + 3.00
a) Identify the slope and explain what it means in the context of the problem.
b) Identify the 𝑦 −intercept and explain what it means in the context of the problem.
2) An airplane 30,000 feet above the ground begins descending at a rate of 2,000 feet per minute.
Write an equation to model the situation.
3) Find the altitude of the plane after 5 minutes.
4) Find the slope of the line graphed to the right.
5) Write the equation of the line graphed to the right.