17
QuizMultiple Choice
Solving Linear-Quadratic Systems — Unit test
Question 17 • Integrated Math 2A - Mr. Katykhin 26
Zacharias is using the quadratic formula to solve the equation 0 = –2x2 + 5x – 3. He begins by substituting as shown.Quadratic formula: x = Substitution:
Answer
A
The –5 should be 5.B
The 52 should be –52.C
The 2 in the numerator should be –2.D
The 2 in the denominator should be –2.