5
QuizMultiple Choice
Modeling with Quadratic Equations — Unit test
Question 5 • CA-Common Core Math II A-CR
Between which two ordered pairs does the graph of f(x) = x2 + x – 9 cross the negative x-axis?Quadratic formula: x =
Answer
A
(–6, 0) and (–5, 0)B
(–4, 0) and (–3, 0)C
(–3, 0) and (–2, 0)D
(–2, 0) and (–1, 0)