Question

closed

Answer 1

R = f(-3) = 9 + 15 - 22
R = 2

Answer 2

a,b

Answer 3

(ax^2 + bx + c) (dx + e) will have constant = c*e

So, by elimination (assuming correct answer is one of the choices), answer can only be
2x^2 - 9x + 10

(since 10 * 3 = 30)

Answer 4

Does that help? ^

Answer 5

solve for the two equations after the "split into two equations" part :P

Answer 6

x - 9 = 0 x + 10 = 0
+9 +9 -10 -10
x = 9 x = -10