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

The financial statements of New World, Inc., provide the following information for the current year:

write the functions of a torch.Please tell the answer.

Designing a car is expensive and time-consuming even with the use of computers because of the difficulty of getting all the varied departments to work together.

Is six ninth equal to eight twelths ?

A company manufactures two types of trucks. Each truck must go through the painting shop and the assembly shop. If the painting shop were completely devoted to

I need help to fill in the blanks.. please

What is this phrase ?

please be quick, i need this as soon as possible!

3x - 6y = -12 x - 2y = -8 What do you know about the two lines in this system of equations?

Holly thinks she has a good handle on the relationship between the brain and the peripheral nervous system. She knows that the _____ is a bundle of neurons that