Exponent scenarios

CONCEPTS

Tips

• Write out a series of numbers that fits the scenario criteria

• Write down all equations and try to insert the variables from the question into the equation

PRACTICE PROBLEMS

Question 1 Let x be a negative odd integer. The express xy³ is a positive even integer whenever y is any member of which of the following sets

Options - 1) all integers, 2) positive odd integers, 3) positive even integers, 4) negative odd integers, 5) negative even integers

-- Answer -- 5) negative even integers

y must be negative even integers to cancel out the negative sign of the negative odd integer x

ACT PRACTICE PROBLEMS

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