singride singride

09-10-2020
Mathematics

contestada

Which explains how to show that x= -8/3 is a root of 9x^2+48x+64= 0 ?

Respuesta :

mahin36 mahin36

09-10-2020

Step-by-step explanation:

[tex]9 {( - \frac{8}{3}) }^{} {}^{2} + 48( - \frac{8}{3} ) + 64 \\ \\ 9( - \frac{64}{9} ) - \frac{48}{3} + 64 \\ \\ - 64 - 16 + 64 = - 16[/tex]

Answer Link

Otras preguntas

Valentina purchased 200 beads for $48 to make necklaces.If she needs to buy 25 more beads , how much will she pay if she is charged the same rate?

What might be the biggest motivation for nomads to live in settlement

In how many ways can we choose a 12 member jury from 30 possible people?

what are the rules for having variables on both sides of the equation?-2y+5=-4y+7I know the answer..i just cant understand why?thx

Please match function with its graph and show steps, Thanks

what is he unit rate of 420 miles in 7 hours

If I round 2,420 to the nearest ten thousand

If a plane flies 612 km per hour, approximately how many kilometres will it travel in 13 hours?

What is 1.5x - 3y = 6

A park has a circular are for a fountain that has a circumference of about 16 feet. What is the radius of the circular area? Round to the nearest tenth.