Fhuo683 Fhuo683

03-11-2016
Mathematics

contestada

If the equation x² - kx - 36 = 0 has x = 12 as one root, what is the value of k?

Respuesta :

bgunn12345678 bgunn12345678

03-11-2016

To solve for k, just plug in the x provided:

12^2 - k(12) - 36 = 0

144 - k(12) = 36

-k(12) = 1/4

k = -1/48

Answer Link

Otras preguntas

Find the present value PV of the given investment. (Round your answer to the nearest cent.) An investment earns 2% per year and is worth $20,000 after 20 months

David's oath of the horatii became an emblem of what

In this question, you'll explore the effect of a drought in vermont on the price of blueberries in the united states, as well as on the daily wages of blueberry

What did abraham lincoln personally believe about slavery?

What percent of 392 is 98

The term "Yazoo Lands" referred to Georgia's __________ lands following the Revolutionary War. A)southern B)British-owned C)western-most D)most populated

Can you plz help me on this plz all of it

One number is equal to the square of another. find the numbers if both are positive and their sum is 18061806.

At 25°c the henry's law constant for nitrogen trifluoride (nf3) gas in water is 7.9 × 10-4 m/atm. what is the mass of nf3 gas that can be dissolved in 150 ml of

If y varies directly with x, and y = 10 when x = 4, write the direct linear variation equation A. y = 10x B. y = 4x C. y = 5/2 D. y = 2/5