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 #21 : Single Variable Algebra

Solve for .

Possible Answers:

Correct answer:

Explanation:

To isolate the variable in the equation, perform the opposite operation to move all constants on one side of the equation and leaving the variable on the other side of the equation.

 

This is a quadratic equation. We need to find two terms that are factors of the c term that add up to the b term.

In this case, we should have 

Solve each binomial individually. 

 Subtract  on both sides. 

 Subtract  on both sides. 

Answers are .

Example Question #181 : Sat Subject Test In Math I

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Subtract  on both sides.

Example Question #13 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Subtract  on both sides. Since  is greater than  and is negative, our answer is negative. We treat as a normal subtraction.

Example Question #182 : Sat Subject Test In Math I

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Add  to both sides.

Example Question #24 : Single Variable Algebra

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Add  on both sides. Since  is greater than  and is negative, our answer is negative. We treat as a normal subtraction.

Example Question #25 : Single Variable Algebra

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Divide  on both sides. When dividing with a positive number, our answer is negative.

Example Question #26 : Single Variable Algebra

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Divide  on both sides. When dividing with another negative number,  our answer is positive.

Example Question #23 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Multiply  on both sides. When multiplying with a negative number, our answer is negative.

Example Question #24 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Multiply  on both sides. When multiplying with another negative number, our answer is positive.

Example Question #25 : Solving Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Square both sides to get rid of the radical.

 Subtract  on both sides.

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