natalie6787 natalie6787

12-07-2019
Mathematics

contestada

Which is a zero of the quadratic function f(x) = 9x2 – 54x – 19?

x =
x = 3
x = 6
x = 9

Respuesta :

Mar92781 Mar92781

12-07-2019

Answer: x=-3

Step-by-step explanation:

F(x)=9x^2-54x-19

F(x)=(x-57)(x+3)

X=57 X=-3

Answer Link

Otras preguntas

why did early Europeans want church reform.

The diagram shows corresponding lengths in two similar figures. Find the ratio of the perimeters and the ratio of the areas. A. 3:4 and 180:240 B. 3:4 and 9:16

What is the volume of 3.5 moles of chlorine gas at a standard temperature and pressure

Two capacitors, a 20 mF and a 30 mF, are connected in parallel to a 400 Hz source. The total capacitive reactance is _____.

According to sigmund freid, everything that has been repressed from conscious awareness makes up the A.conscious mind b.preconscious mind C. Unconscious mind D

List of economic activity that uses raw materials to produce or manufacture something new.

11. In a gym the ratio of men to women with membership is 5:2. If the gym has 735 persons with membership, how many men will there be?

How do I Solve this by substitution?

Sergio runs 2 1/4 miles in 30 minutes. Write the ratio in fractional form and determine Sergio’s speed in miles per hour.

Read the following two statements. Then use the Law of Syllogism to draw a conclusion. If two lines intersect and form right angles, the lines are perpendicul