demeria92 demeria92

02-12-2021
Mathematics

contestada

What are the solutions of the equation 9x4 - 2x2 - 7 = 0? Use u substitution to solve.

What are the solutions of the equation 9x4 2x2 7 0 Use u substitution to solve class=

Respuesta :

Gotenks99 Gotenks99

02-12-2021

9t +7 = 0

t-1 =0

solve for both giving

t = -7/9

t = 1

then we have to plug that back in to u which is x^2

so x^2 = (-7/9)^2 = -1

x^2 = 1

if any doubt leave a comment

Ver imagen Gotenks99

Ver imagen Gotenks99

Ver imagen Gotenks99

Ver imagen Gotenks99

Ver imagen Gotenks99

Answer Link

Otras preguntas

Pls help (WILL GIVE BRAINLIEST)\ AND A BUNCH OF POINTSCan a renewable resource become a nonrenewable resource? If so, give an example. (1 point)Yes, a renewable

please answer this question

Which idea is typically associated with the word "spade”? leisure time city life writing poems hard work

Read the poem "Queen of the Cats": Old Polly was a cat of unusual grace, With wide, yellow eyes and thin stripes on her face. My wife took her in on a cold, aut

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

what type of biomolecules is in bread/grains?

If f(x) = 1 / (3x – 5), what is the inverse of f?

how do i answer this question?

Can someone please give me the (Answers) to this? ... please ... I need help….

los tesoros O tourists O maps O missions treasures