michellewilliam michellewilliam
  • 03-06-2014
  • Mathematics
contestada

solve for y.try factoring first,if factoring is not possible or difficult use quadratic formula,(y2  2isabovey -10y+23=0)

Respuesta :

konrad509
konrad509 konrad509
  • 06-06-2014
[tex]y^2-10y+23=0\\ y^2-10y+25-2=0\\ (y-5)^2=2\\ |y-5|=\sqrt2\\ y-5=\sqrt 2 \vee y-5=-\sqrt2\\ y=5+\sqrt2 \vee y=5-\sqrt2 [/tex]
Answer Link

Otras preguntas

Please, i need help for part b, my hw is due tomorrow, please help, any help will be appreciated, The graph shows the speed of a vehicle during the final 50 s
With a $230,000 annual profit achieved from a $2,000,000 investment, the return on investment (ROI%) for a business would be
The value of 3 in 6,300 is _____ times the value of 3 in 530.
Joe and Ann buy some fruit from the same shop. Joe buys 4 apples and 3 bananas for £2.50 Ann buys 3 apples and 4 bananas for £2.40 Work out the cost of (i) one
simplify fully 40/56​
For each function f, find f^-1 and f^-1(5). f={(-1,5), (0,0), (2,6)}
Select the values that make the inequality m 4 true. Then write an equivalent inequality, in terms of m. (Numbers written in order from least to greatest going
Identify the domain and range x -5 -2 1 5 7 y 10 11 4 10 15
anyyyy girrllll online hereeeere m soo bored​
Graph: f(x) = -√x Step 1: Evaluate the function to find three points. f(0) = -1 0 1 -2 2 1 -2 9 y 2 6 x x y