9
QuizMultiple Choice
Solving One-Variable Equations with Systems
Question 9 • [INMT3] Integrated Math 3 Sem 1 (26-27)
Sonia graphs the equations y = –x2 + 4x and y = x – 4 to solve the equation –x2 + 4x = x – 4. Her graph is shown below.What are the solutions of –x2 + 4x = x – 4?
Answer
A
–5 and 0B
–5 and –1C
–1 and 4D
0 and 4