Question
Compute the discriminant. Then determine the number and type of solutions for the given equation.$$x^{2}-4 x-5=0$$
Step 1
In the equation $x^{2}-4x-5=0$, the coefficients are $a=1$, $b=-4$, and $c=-5$. Show more…
Show all steps
Your feedback will help us improve your experience
James Kiss and 83 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Compute the discriminant. Then determine the number and type of solutions for the given equation. $$5 x^{2}+4=0$$
Quadratic Equations and Functions
The Quadratic Formula
Use the discriminant to determine the number and types of solutions of each equation. $$ x^{2}-5=0 $$
Solving Quadratic Equations by Using the Quadratic Formula
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD