Question 1
A plumber charges a flat service fee plus an hourly rate. The total charge for a 2-hour job is $130 and for a 5-hour job is $250. What is the plumber's hourly rate, in dollars?
🔒
Answer question 1 to unlock
The function \(f(x) = -4x + 200\) models the number of tickets remaining for a concert \(x\) hours after sales open. What does the slope represent in this context?
🔒
Answer question 2 to unlock
A line passes through the points \((2, -1)\) and \((6, 11)\). What is the equation of this line in slope-intercept form?
🔒
Answer question 3 to unlock
Two phone plans are modeled by the functions below, where \(x\) is the number of gigabytes of data used per month.
\[\begin{aligned} \text{Plan A:} \quad C &= 5x + 20 \\ \text{Plan B:} \quad C &= 8x + 11 \end{aligned}\]
For what value of \(x\) do both plans cost the same?
🔒
Answer question 4 to unlock
A reservoir contains 800,000 gallons of water. Due to a drought, water is released at a constant rate, and after 10 days the reservoir holds 650,000 gallons. If the release rate stays the same, after how many total days will the reservoir hold 500,000 gallons?
correct answers
💡Tip: Want to see new SAT Algebra quizzes?
Make sure the "Notify me about new quizzes" is enabled in your Dashboard.
Make sure the "Notify me about new quizzes" is enabled in your Dashboard.