Question
Asked Dec 9, 2019
1 views
Solve the equation x + 5x – 16 = 0 using the Quadratic Formula.
2 + V3 2 – 3
Give your answers as two separate numbers in exact form (i.e., an answer such as
Preview
help_outline

Image Transcriptionclose

Solve the equation x + 5x – 16 = 0 using the Quadratic Formula. 2 + V3 2 – 3 Give your answers as two separate numbers in exact form (i.e., an answer such as Preview

fullscreen
check_circle

Expert Answer

Step 1

Quadratic Formula:

help_outline

Image Transcriptionclose

For any quadratic equation of the form ax? + bx + c = 0, a±0 the solutions can be found using below formula. -b+ vb? – 4ac 2a

fullscreen
Step 2

Comparing the given equation with standard equation,

help_outline

Image Transcriptionclose

x² + 5x – 16 = 0. We have a = 1,6 = 5 and c=-16.

fullscreen
Step 3

Substitute these values in...

help_outline

Image Transcriptionclose

-5+ 5? - 4(1)(-16) 2(1) -5± /25 + 64 -5+ /89

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Math

Algebra

Equations and In-equations

Related Algebra Q&A

Find answers to questions asked by student like you
Show more Q&A
add