exam Maths Puzzle Numerical Ability

Find a rational zero of the polynomial function and use it to find all the zeros of the function.

f(x) = x to the third power + 2x to the second power - 9x - 18

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exam Other Question

3y^2+5y-8=0 That is supposed to read 3y squared. I must solve the equation(i.e. x=4 0r 6). Please Help :)

Determine whether the following equations have a solution or not? Justify your answer.

1/2y2 - 4y - 7(3)1/2 = 0
2x2 - 10x + 25 = 0
2x2 - 6x + 5 = 0
s2 -