intheshadow1250 intheshadow1250

12-04-2017
Mathematics

contestada

what is the axis of symmetry for the quadratic function f(x)=x^2-2x-15

Respuesta :

jasonboaze jasonboaze

12-04-2017

Formula for finding the axis of symmetry: x = -b/2a

x^2 - 2x - 15
a = 1; b = -2 (plug these into the formula above)
-(-2)/2(1) = 2/2 = 1

Answer Link

samrawitbulcha samrawitbulcha

12-04-2017

I Think the axis of symmetry is 2

Answer Link

Otras preguntas

I’m not good with number lines. Please help.

What is the quotient of 4928 and 77? Ο Α. 54 O B. 55 O C. 64 O D. 65

Ray used 0.5 of a liter of paint for a project every day for 10 days. How many milliliters of paint did he use? PLEASE HELP ME!!!!!

is there a need to get to know more about the college you want to get into and why

find the slope of the line through the given points7. (-3, -3), (1, -5)

1.) Jimmy has rowed his canoe 3/8 of the length of the course. He has rowed 60 meters. How long is the entire course? 2.) Melanie has written 5/6 of her essay.

2. Describe the importance of oxygen, carbon dioxide, and ozone to living things.

The table below shows the ages of employees under 30 at a company and their annual salaries.Choose the scatter plot that shows the data.

Commodore Matthew Perry's visits to Japan in 1853 and 1854 resulted in the A End of isolationis in Japan Colocation of Japan by the United States The Boxer Rebe

3. Write the verb from the sentence below.Lisa sticks all the pictures in her big scrapbook. 05(1 point)scrapbook