brooklynrichardson95 brooklynrichardson95
  • 03-11-2020
  • SAT
contestada

if 3 is a root of the function f(x)=x^2+13x+c and c is a constant, what is the value of c?

Respuesta :

Lee20i Lee20i
  • 03-11-2020

Answer:

C would be -45

Explanation:

3 is the root basically means if you solve for x, x would equal to 3. So to find c you just have to replace x by 3.

F(3)=3^2+13(3)+c

Now you just have to solve for c

Answer Link

Otras preguntas

48% of what number is 24? im being timed.... will make brainliest
Which region of the country has the greatest concentration of railroad lines?
A uniformly charged ball of radius a and charge –Q is at the center of a hollowmetal shell with inner radius b and outer radius c. The hollow sphere has a netch
What is the relative frequency of direct hits that were AT MOST a category 3 storm? a. 0.3480 b. 0.9231 c. 0.2601 d. 0.3370
A garden has four sides that are all the same length. Each side measures x+4 units. The garden's perimeter is 112 units. What is the value of x?
A box contains 4 small t-shirts, 8 medium t-shirts, 10 large t-shirts, and 4 c-large t-shirts. If you reach into the box and randomly select a shirt without loo
How does the lithosphere support life? A. It provides resources like food and shelter to support life. B. It produces water, which it stores in
Matter with a density that is less than water will____ when placed in a container of water?
Five lines in the H atom spectrum have wavelengths (in Å): (a) 1212.7; (b) 4340.5; (c) 4861.3; (d) 6562.8; (e) 10,938. Three lines result from transitions to nf
5th grade math plz help​