1046230 1046230

04-06-2020
Mathematics

contestada

Which of the following are solutions to the quadratic equation x squared plus 8x=9

Respuesta :

katehagemeier katehagemeier

04-06-2020

Answer:

X=1 x=-9

Step-by-step explanation:

(x^2)+8x=9

(x^2)+8x-9=0

(x-1)(x+9)=0

x=1 x=-9

Answer Link

Otras preguntas

What is the new solution concentration when 150. mL of water is added to 200. mL of a 3.55 M HBr solutions.

A plank rests on top of the axles of two identical wheels. Each wheel's outer radius is 0.25 meters and each wheel's axle has radius 0.05 meters. If the wheels

Latoya made $221 for 17 hours of work. At the same rate, how much would she make for 5 hours of work?

Please help solve with steps: -3 + u = 1/2 ---- 5

The sum of 3 consecutive odd numbers is 183

Two factory plants are making TV panels. Yesterday, Plant A produced 16,000 panels. Five percent of the panels from Plant A and 2% of the panels from Plant B we

Please help i’m desperate

Which of the following are roots of the polynomial function? Check all that apply. (x) = x2 - 6x + 7x-2

3)June 2019-In the diagram below of AABC, D is a point on BA, E is a point on BC, and DE is drawn. If BD = 5, DA= 12, and BE = 7, what is the length of BC so th

One number is 5 times another number the difference between the two numbers is 1460 what is the two numbers