ods of sölving quadratic equations. Equations x2 +8x -9 = 0 x² -5x +1 = 0 x² = 20 %3D

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.4: Solving Quadratic Equations
Problem 3E: Far the quadratic equation ax2+bx+c=0 the discriminant is D = ______________. The discriminant tells...
icon
Related questions
Question
Which are the best solving methods of these
Below are three quadratic equations and three methods of solving quadratic equations.
Equations
x +8x -9 = o
x² - 5x +1= 0
x² = 20
%3D
Methods of Solving
Take the square
root of both sides
Use the
quadratic formula
Factor the left side
of the equation
Which grouping correctly matches each equation with its best method of solving?
O A.
x² + 8x - 9 = 0
Take the square
root of both sides
x' - 5x +1 = 0
Factor the left side
of the equation
Use the
quadratic formula
x² = 20
%3D
O B
Use the
quadratic formula
x+ 8x-9-0
Transcribed Image Text:Below are three quadratic equations and three methods of solving quadratic equations. Equations x +8x -9 = o x² - 5x +1= 0 x² = 20 %3D Methods of Solving Take the square root of both sides Use the quadratic formula Factor the left side of the equation Which grouping correctly matches each equation with its best method of solving? O A. x² + 8x - 9 = 0 Take the square root of both sides x' - 5x +1 = 0 Factor the left side of the equation Use the quadratic formula x² = 20 %3D O B Use the quadratic formula x+ 8x-9-0
Expert Solution
steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
Research Ethics
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, algebra and related others by exploring similar questions and additional content below.
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Algebra and Trigonometry (MindTap Course List)
Algebra and Trigonometry (MindTap Course List)
Algebra
ISBN:
9781305071742
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning
Elementary Algebra
Elementary Algebra
Algebra
ISBN:
9780998625713
Author:
Lynn Marecek, MaryAnne Anthony-Smith
Publisher:
OpenStax - Rice University