lazojose551 lazojose551

17-03-2021
Mathematics

contestada

Which set represents the zeros of the function f(x) = 7x2 – 28x + 21?

Respuesta :

jelenajelena jelenajelena

17-03-2021

Answer:

change f(x) to 0 than 7*2x=14x

0=14x-28x+21

0=-14x+21

-21=-14x

x=3/2

Answer Link

Otras preguntas

Find the value of w to the nearest tenth using the tangent ratio for ZA.

Area of composite figures worksheet. How do you solve it. Step-By-Step

Angle Y measures___degrees.

Karen gets a gas bill. The cost of the gas before the VAT was added was £361.20. VAT is charged at 5% on domestic fuel bills. What was the cost of the gas bill,

3. The measures, in degrees, of the three angles of a triangle are given by 2x + 1, 3x-3, and 9x What is the measure of the smallest angle?

The length of a rectangular prism is 5 more than twice the width w. The volume of the prism is 2w³ + 7w² + 5w. What is a simplified expression for the height of

Assertion (A): In a prokaryotic cell, the DNA is concentrated in a region called the nucleoid. Reason (R): Prokaryotes are mostly unicellular organisms. Which o

A (Triangle)ABC is isosceles. AB= 88 and CB = 12x + 4. B x= [?]

Helen has a set of number cards numbered 1 thru 10. If Helena randomly draws two cards from the deck, what is the probability that she will draw an even number

What is science fiction? Please don’t copy and paste from the internet…