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Solving Quadratic Equations: Worksheets with Answers. Whether you want a homework, some cover work, or a lovely bit of extra practise, this is the place for you. And best of all they all (well, most!) come with answers.
Below are ten (10) practice problems regarding the quadratic formula. The more you use the formula to solve quadratic equations, the more you become expert at it! Use the illustration below as a guide.
Quadratic Equations. Complete the Square. Complete: Standard form. 1.\:\:solve\:by\:complete\:the\:square\:x^ {2}+6x+9=0. 2.\:\:solve\:by\:complete\:the\:square\:x^ {2}+6x+8=0. 3.\:\:solve\:by\:complete\:the\:square\:x^ {2}+2x-8=0. 4.\:\:solve\:by\:complete\:the\:square\:x^ {2}+4x+3=0.
Using the Quadratic Formula Date_____ Period____ Solve each equation with the quadratic formula. 1) m2 − 5m − 14 = 0 {7, −2} 2) b2 − 4b + 4 = 0 {2} 3) 2m2 + 2m − 12 = 0 {2, −3} 4) 2x2 − 3x − 5 = 0 {5 2, −1} 5) x2 + 4x + 3 = 0 {−1, −3} 6) 2x2 + 3x − 20 = 0 {5 2, −4} 7) 4b2 + 8b + 7 = 4 {− 1 2, − 3 2}
There are two sets of solving quadratic equation worksheets: Solve Quadratic Equation (use factoring) Solve Quadratic Equation (use quadratic formula) Examples, solutions, videos, and worksheets to help Grade 7 and Grade 8 students learn how to solve quadratic equations using the quadratic formula.
©7 N230q1 S2Z oKguWt9a S BSKo1fWt5w UarXet ALyL xC0.4 r 3A ml klY 2roibgqh 2tbs h Sr reks9eArZv 4e5d I. y V DMEaAd7e2 bw Iiqt4h p OIHnJfviYnfirt Qe7 MAYlug 4eDbMrSa H o2 4.l Worksheet by Kuta Software LLC 13) v2 − 6v = −91 14) n2 = 18 n + 40 15) 5k2 = 60 − 20 k 16) 6x2 − 48 = −12 x 17) 8x2 + 16 x = 42 18) 9n2 + 79 = −18 n
Using the Quadratic Formula. Solve each equation with the quadratic formula. 1) v2 + 2 v − 8 = 0. 3) 2 v2 − 5 v + 3 = 0. 5) 2 n2 − n − 4 = 2. 7) 8 n2 − 4 n = 18. 9) 10 x2 + 9 = x. 11) 3 a2 = 6 a − 3. 13) 9 x2 − 11 = 6 x. 15) 14 m2 + 1 = 6 m2 + 7 m.
