All SAT II Math I Resources
Example Questions
Example Question #61 : Solving Equations
Solve for .
Sqaure both sides to get rid of the radical.
Cross-multiply.
Divide both sides by .
Example Question #62 : Solving Equations
Solve for .
Cross-multiply.
Square both sides to get rid of the radical.
Subtract on both sides.
Example Question #63 : Solving Equations
Solve for .
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 #221 : Sat Subject Test In Math I
Solve for .
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 .
Add on both sides.
Divide on both sides.
Example Question #66 : Solving Equations
Solve for .
Add on both sides.
Divide on both sides.
Example Question #67 : Solving Equations
Solve for .
Subtract on both sides.
Divide on both sides.
Since it's absolute value, we need to accept both positive and negative answers.
Example Question #61 : Solving Equations
Solve for .
Multiply on both sides.
Add on both sides.
Square both sides to get rid of the radical.
Example Question #69 : Solving Equations
Solve for .
Distribute the to each term in the parentheses.
Subtract on both sides.
Divide on both sides.
Example Question #70 : Solving Equations
Solve for .
Take the square root on both sides. When you do that, you also need to consider both positive and negative values. Remember, two negatives multiplied create a positive number.
Subtract on both sides.
Divide on both sides.
Subtract on both sides.
Answers are .
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