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

WILL GIVE BRAINLIEST IF ANSWERED QUICK!! I GIVE GOOD RATINGS FOR GOOD ANSWERS!

The sum of three numbers is 14 and the sum of their squares is 100. find the sum of cubes of those three numbers if their product is 24.

In the Particle theory of matter, particles in solid are held tightly and Fixed Position they are strongly attracted to each other. Particles are in Particles h

Who pays personal tax to the government

An airplane is preparing to land at an airport. It is 51,300 Feet above the ground and it is descending at a rate of 3100 feet per minute. At the same airport,

Evaluate: Find the common ratio

pqr is an isosceles triangle in which pq=pr m and n are points on pq and pr

Calculate the accrued interest of the following bond on Feb 15 based on Actual/365 day count conventions provided last coupon was paid on Dec 31. ● ● ● Face val

WILL GIVE BRAINLIEST IF FAST!! GIVE GOOD REVIEWS FOR CORRECT ANSWERS!

4. 4A. Which net can be folded to make a cube? Select all that apply. D. A. B. 48. The surface area of the cube is 24 square feet. What is the length, in feet,