Write the quadratic equation whose roots are 3 and 4, and whose leading coefficient is 2.
(use the letter x to represent the variable.)

Step-by-step explanation:

equation-

(x-3) (x-4) =

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

answer

you start with $5 and save $10 a week until you have at least $45wer

step-by-step explanation: