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

what percent of 105 is 63

√5 is an irrational number. which of these will also be an irrational number? A. (√5)^2 B. (√5)^-2 C. √5 + √5 D. (5+ √5)(5-√5)

How much radiaton does a modern day phone have?+does it harm the human body?

The amount C in grams of carbon-14 present in a certain substance after t years is given by C = 20e^-0.0001216t estimate the half-life of carbon-14

I am eating food do negative

How can almanacs be used as references?an almanac is a thesaurus.A. TrueB. False

Which Stax artist wrote many of his hit songs, including "Respect," which was later recorded by Aretha Franklin

Are there any specific modules or functionalities in QuickBooks designed to address Singapore's accounting and tax regulations?

Two sevenths of the pupils in st. Peter school take a jeepney to school. If 600 people dont take the jeep jeepney, how many pupils are there in st. Peter school

f is inversely proportional to g. g is directly proportional to h². When f = 18, the value of g is 3. When f = 15, the value of h is 6. Use this information to