SAT Math Quiz
20 questions · no time limit
0:00
ALGEBRA 2
Question 1 of 20
No time limit
Current
Answered
Flagged
Not seen
A revenue curve is y=−x2+10x−21y=-x^2+10x-21 and a break-even line is y=x−1y=x-1. The break-even points are intersections. How many solutions does the system have? {y=−x2+10x−21y=x−1\begin{cases}y=-x^2+10x-21\\y=x-1\end{cases}
YOUR PROGRESS
20
QUESTIONS
Ready when you are
Answer in any order. Your progress shows here as you go.
QUESTIONS
KEYBOARD
Pick an answer ABCD
Next question ↵→
Previous ←
Flag for review F
Answers save as you go · flagged questions come back at the end