OpenStax, Elementary Algebra 2e §10.3 Solve Quadratic Equations Using the Quadratic Formula · Exercise 43 · Algebra · Quadratics
Solve Quadratic Equations Using the Quadratic Formula · Exercise 43
Solve the equation
ⓐ by completing the square
ⓑ using the Quadratic Formula
ⓒ Which method do you prefer? Why?
This is an open-ended exercise: its source gives no single answer.
OpenStax, Elementary Algebra 2e · §10.3 Solve Quadratic Equations Using the Quadratic Formula · Exercise 43
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.
Your first check today doesn't need an account.
Your photos and PDFs are read once and not stored — only the transcription is kept.