All SAT II Math I Resources
Example Questions
Example Question #62 : Single Variable Algebra
Solve for .
Sqaure both sides to get rid of the radical.
Cross-multiply.
Divide both sides by
.
Example Question #63 : Single Variable Algebra
Solve for .
Cross-multiply.
Square both sides to get rid of the radical.
Subtract
on both sides.
Example Question #221 : Sat Subject Test In Math I
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 #61 : Solving Equations
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 #72 : 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 #231 : Sat Subject Test In Math I
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 #231 : Sat Subject Test In Math I
Solve for .
Distribute the
to each term in the parentheses.
Subtract
on both sides.
Divide
on both sides.
Example Question #72 : Single Variable Algebra
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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All SAT II Math I Resources
