4.7 - The Quadratic Formula
Presentation
•
Mathematics
•
12th Grade
•
Practice Problem
•
Easy
Standards-aligned
Steve Dull
Used 10+ times
FREE Resource
12 Slides • 5 Questions
1
2
To solve quadratic equations using the quadratic formula
To determine the number of solutions by using the discriminant
3
4
What if we can't square root or factor?
5
The quadratic formula actually will solve any quadratic equation, no matter how simple or challenging. But it is particularly useful when our equation cannot be factored or has complex number solutions.
6
7
8
Open Ended
Your turn. Solve 6x2−11x−10=0 using the quadratic formula.
9
10
When we learned to solve quadratics by factoring, we learned that quadratic equations have two solutions. It turns out that by evaluating one expression within the quadratic formula we can classify those solutions.
11
12
13
Multiple Choice
Determine the value of the discriminant
x2 + 7x + 13=0
101
3
-101
-3
14
Multiple Choice
Describe the number and type solutions for the following:
x2 + 7x + 13
2 real solutions
2 non-real solutions
1 real solution
1 non-real solution
15
Match
Match the graph with the value of its discriminant
b2−4ac <0
b2−4ac =0
b2−4ac >0
16
Poll
Select the image that most closely describes how you feel about your ability to solve quadratic equations using the quadratic formula:
17
Try at least two more items on the notes page before the end of class
Show answer
Auto Play
Slide 1 / 17
SLIDE
Similar Resources on Wayground
14 questions
Solving Rational Equations
Presentation
•
11th Grade
12 questions
Fingerprints!
Presentation
•
12th Grade
12 questions
Types of Unemployment
Presentation
•
12th Grade
12 questions
The Imaginary Numbers
Presentation
•
12th Grade
13 questions
Data Collection Methods
Presentation
•
12th Grade
10 questions
Algebra - Lesson Simplify Radicals with Variables
Presentation
•
12th Grade
12 questions
Linear Transformations Review 23-24
Presentation
•
11th Grade
12 questions
Geometry - Lesson Polygon Angles
Presentation
•
12th Grade
Popular Resources on Wayground
10 questions
Safety Day 2026 – Student Review
Quiz
•
9th Grade
21 questions
Continents and Oceans
Quiz
•
6th Grade
20 questions
Parts of Speech
Quiz
•
5th Grade
16 questions
Subject & Predicate
Quiz
•
5th Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
12 questions
Map Skills
Quiz
•
3rd Grade
22 questions
Continents and Oceans
Quiz
•
5th Grade
15 questions
Rounding Decimals
Quiz
•
5th Grade
Discover more resources for Mathematics
12 questions
Identify Rigid Transformations
Quiz
•
8th - 12th Grade
10 questions
Complementary, Supplementary, Vertical, and Linear Pairs
Quiz
•
9th - 12th Grade
22 questions
Identify Vertical and Horizontal Translations
Quiz
•
9th - 12th Grade
10 questions
Graphing Inequalities on a Number Line
Quiz
•
9th - 12th Grade
17 questions
Identifying Parallel And Perpendicular Lines
Quiz
•
9th - 12th Grade
18 questions
Integer Operations
Quiz
•
5th - 12th Grade
14 questions
Evaluate Linear Functions and Their Applications
Quiz
•
9th - 12th Grade
16 questions
Algebra 1 Unit 2: Functions & Relations
Quiz
•
9th - 12th Grade