ACT Math : Algebra

Study concepts, example questions & explanations for ACT Math

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Example Questions

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Example Question #3111 : Act Math

Solve for 

Possible Answers:

Correct answer:

Explanation:

Solve this question by cross-multiplying:

Example Question #6 : How To Solve For A Variable As Part Of A Fraction

If , what is the value of ?

Possible Answers:

Correct answer:

Explanation:

To solve this question, substitute -5 in for x in the numerator and denominator. Remember that the square of a negative number is positive.

45 / -9 = -5

 

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