Question

3. 8 < x(7 – x)
2
8
–1
0 3. 8 < x(7 – x)
2
8
–1
0 @Mathematics

Answer 1

x^2-7x+8<0
x^2-8x+x+8<0
x(x-8)+1(x+8)<0
x<8 x>-1

Answer 2

you have made a factoring error

Answer 3

the trinomial does not factor

Answer 4

so the roots for the solution will be irrational

Answer 5

your answer is incorrect

Answer 6

just saw something wierd lol

Answer 7

x^2 -7x +8

49 -4(8) is positve, so yeah; the roots are ugly to say the least

Answer 8

roots are 7+-root17/over 2

Answer 9

might be a typo in the question tho

Answer 10

so x > 7+ root(17) /2 and x < 7 - root (17)/2

Answer 11

oops ... should be between those values ... srry