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 #1 : Solving Equations

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.

 

Subtract  on both sides. When adding with another negative number, just treat as an addition problem and then add a negative sign in front.

 

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

Example Question #172 : Sat Subject Test In Math I

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.

 

Subtract  on both sides.

 

Multiply  on both sides.

Example Question #3 : Solving Equations

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.

 

Subtract  on both sides. When adding with another negative number, just treat as an addition problem and then add a negative sign in front.

 

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

Example Question #173 : Sat Subject Test In Math I

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.

 

Add  to both sides.

 

Divide  on both sides.

Example Question #7 : Solving Equations

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.

 

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

 

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

Example Question #174 : Sat Subject Test In Math I

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.

 

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

 

Multiply  on both sides.

Example Question #175 : Sat Subject Test In Math I

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.

 

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

 

When multiplying with another negative number, our answer is positive.

Example Question #171 : Sat Subject Test In Math I

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.

 

To get rid of the radical, we square both sides.

Example Question #22 : 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.

 

To get rid of the radical, we square both sides.

 

Subtract  on both sides.

Example Question #23 : 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.

 

Take the square root on both sides.  Remember when you do that, you need to take account of the negative as well. Two negatives multipied is a positive number.

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