

Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
The solutions to 20 quadratic equations using the quadratic formula. Students can study this document to understand the process of solving quadratic equations and verify their own solutions. Each example includes the quadratic equation and its corresponding solutions.
Typology: Summaries
1 / 2
This page cannot be seen from the preview
Don't miss anything!


Elementary Algebra Skill
Solve each equation with the quadratic formula.
3 n^2 − 5 n − 8 = 0 2) x^2 + 10 x + 21 = 0
10 x^2 − 9 x + 6 = 0 4) p^2 − 9 = 0
6 x^2 − 12 x + 1 = 0 6) 6 n^2 − 11 = 0
2 n^2 + 5 n − 9 = 0 8) 3 x^2 − 6 x − 23 = 0
6 k^2 + 12 k − 15 = −10 10) 8 x^2 − 14 = −
6 k^2 + 2 k + 9 = −3 12) 12 p^2 + 9 p − 30 = −
3 x^2 = −7 x + 136 14) 3 n^2 = − n + 14
6 v^2 + 3 = −2 v 16) 9 p^2 − 7 = 9 p
11 k^2 + 4 k − 52 = 10 k^2 − 7 18) −4 a^2 + 18 a − 15 = −7 a^2 + 9 a