SAT II Math I : SAT Subject Test in Math I

Study concepts, example questions & explanations for SAT II Math I

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Example Questions

Example Question #53 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Distribute the  to each term in the parantheses.

 Add  to both sides.

 Subtract  on both sides.

 Divide  on both sides.

Example Question #52 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

There are TWO ways:

Method : (not really preferred)

 Distribute  to each term in the parantheses.

 Add  to both sides.

 Multiply by the reciprocal  on both sides.

 

Method : (preferred)

 Multiply by the reciprocal  on both sides.

 Add  to both sides.

Example Question #51 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Distribute the  to each term in the parantheses.

 Multiply  on both sides.

 Subtract  on both sides.

 Divide  on both sides.

Example Question #51 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Distribute the  to each term in the left parantheses and the  to each term in the right parantheses.

 Add like terms.

 Add  on both sides.

 Divide  on both sides.

Example Question #51 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Square both sides to get rid of the radical.

 Subtract  on both sides.

Example Question #61 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Sqaure both sides to get rid of the radical.

 Cross-multiply.

 Divide both sides by .

Example Question #62 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Cross-multiply.

 Square both sides to get rid of the radical.

 Subtract  on both sides.

Example Question #63 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Divide  on both sides.

 Take the square root on both sides. Remember to account for a negative square root. Two negatives multiplied is a positive number.

Example Question #71 : Single Variable Algebra

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Cross-multiply.

 Foil out the terms and simplify.

 Subtract  on both sides. 

 We have a quadratic equation. We need to find two terms that multiply to  and aso add to .

 Set them individualy equal to zero.

 Add  to both sides. 

 Subtract  on both sides. 

We should still check the answers.

  With simplifications,  .  is good.

  With simplifications,  .  is good.

Answers are .

Example Question #71 : Single Variable Algebra

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Add  on both sides.

 Divide  on both sides.

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