hopevosika hopevosika

23-04-2020
Mathematics

contestada

Solve -x^2-9x-20=0 with the quadratic formula

plz help!

Solve x29x200 with the quadratic formula plz help class=

Respuesta :

wolf1728 wolf1728

23-04-2020

Answer:

a = -1 b = -9 c = -20

x1 = [--9 +- (sq root -9^2 - 4 * -1 * -20)] / 2 * -1

x1 = 9 +sq root (81 - 80) / -2

x1 = [9 + 1 ] / -2

x1 = -5

x2 = 9 -sq root (81 - 80) / -2

x2 = 8 / -2

x2 = -4

Step-by-step explanation:

Ver imagen wolf1728

Answer Link

Otras preguntas

What are some chemical changes in hydrogen?

The Chola empire emerged in the southern part of India. O True O False

Identify and >DESCRIBE< the four major ethnic groups of the Middle East.

Which is NOT a reason for determining the purpose of a room? A. Choosing appropriate furniture B. Coordinating the colors and patterns C. Using the right type o

Have you ever gotten news that led you to expect one thing to happen and then something entirely different happened? What was it, explain.

Find the value of M and N for

Can anyone help me please Giving brainliest

Can the following question be considered a statistical question and why or why not? Do students at Bryan Middle School exercise? Yes, it specifies the populati

Cleo buys 2/4 pounds of turkey. Tyler buys 1/2 pounds of turkey. Who buys more turkey? Pls explain.

Negative of pictured sentences