exam
Maths Puzzle
Numerical Ability
let f(x) = x3 -8x2 + 17x -9. use the factor theorem to find other solutions to f(x) -f(1) = 0, besides x =1.
Possible answers:
-2, 5
.2, -3
.2, 5
.2, 10
Thanks to anyon
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exam Other Question
Factor. 3x(x + 2y) + 7(x + 2y) im not sure how far I can take this.
I have 3x^2+6xy+7x+14y am i right or do I need to go more?
1. Consider the polynomial f(x)= x^3 + 6x^2 –9x-14
Find all of the zeros of the given polynomial. Test all possibilities.
2. If y varies inversely as x and y = 0.6 when x = 10, find y when x = 12.