Question 1 of 150
In this case, which equation has roots 7 and 9?
x² - 16x + 63
○ x² + 16x - 63
○ x² - 16x - 63
○ x² + 16x + 63
Show explanation
A monic quadratic with roots r1 and r2 is x²-(r1+r2)x+r1r2. — Examisthan.com
You've explored today's free questions 🎓
Want to keep going? Unlock more by watching an ad, or subscribe for unlimited access to every question.
Going a bit fast!
You're clicking through quickly — give it a short moment and the next question will load on its own.
Resuming in 15s...
You've completed all 150 questions! 🎉
Nice work — you've gone through every practice question in this set. Use Previous to review any of them again.