15
QuizMultiple Choice
Solving Quadratic Equations: Quadratic Formula — Unit test
Question 15 • ASC Algebra I B MA272
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)