1. a = 3, b = -6, of the standard form.
Rewrite the equation to the vertex form will solve both 2 and 3:
3x^2 - 6x + 13 = 3(x^2 - 2x) + 13 = 3(x^2 - 2x + 1) + 13 + 3 = 3(x - 1)^2 + 16.
where the vertex (h,k) is (1, 16).
J Is the answer, (x+6)(x-3) is the equivalent
The answer to your question is b
Given:
Principal = 15,000
interest = 8.5%
term = 9 years
I = 15,000 * 8.5% * 9 years = 11,475
total amount after 9 years = 15,000 + 11,475 = 26, 475
Preterm after 2 years. wdl of 4,000. penalty is 6 months interest of 4,000
I = 4,000 * 8.5% * 6/12 = 170 amount of penalty
I = 15,000 * 8.5% * 2 years = 2,550 interest earned for 2 years
15,000 + 2,550 = 17,550
17,550 - 4,000 - 170 = 13,380 amount to be invested for another 7 years
I = 13,380 * 8.5% * 7 years = 7,961.10
total amount after 9 years with pretermination
13,380 + 7,961.10 = 21,341.10