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### Strategies for Solving ACT Equations with Extra Variables

Some equations on the ACT Math test may include one or more extra variables. Generally speaking, when an equation has more than one variable, you can’t solve it. As a result, in most cases, you must solve [more…]

### How to Translate Words into Equations on the ACT

Some ACT Math questions give you information about what happens when you perform various operations on an unknown number. To answer these questions, you can let [more…]

### How to Solve Inequalities with Absolute Value on the ACT

As when solving an ACT Math problem that includes an expression with absolute value, you also need to split an inequality with absolute value into two separate inequalities. However, keep in mind one twist [more…]

### Solving ACT Word Problems Using a System of Equations

Solving word problems is one of the most common reasons to use a system of equations. For example, some word problems in the ACT Math test that would be difficult to approach using a single variable are [more…]

### Solving Direct Proportionality Problems on the ACT

The ACT will probably include some math problems that involve direct proportionality. *Direct p**roportionality* refers to a connection between two variables based on either multiplication or division, where [more…]

### Solving Inverse Proportionality Problems on the ACT

The ACT will probably include some math problems that involve inverse proportionality. *Inverse p**roportionality*refers to a connection between two variables based on either multiplication or division, where [more…]

### ACT Trick for Quadratics: How to Quickly Find the Direction of a Parabola

To save time when graphing a quadratic function on the ACT Math test, you can quickly determine the direction of the parabola using a simple trick based on the coefficient [more…]

### ACT Trick for Quadratics: How to Quickly Find the Vertex Location of a Parabola

To save time when graphing a quadratic function on the ACT Math test, you can quickly find the location of the vertex of the parabola in relation to the [more…]

### ACT Trick for Quadratics: How to Quickly Find the *y*-Intercept of a Parabola

To save time when graphing a quadratic function on the ACT Math test, you can quickly find the location of the *y*-intersept of the parabola based on the sign of the variable [more…]

### ACT Strategies for Adding and Subtracting Matrices

For the ACT Math test, you definitely want to know how to work with matrices. Fortunately, adding and subtracting matrices are both simple and similar operations. [more…]

### ACT Strategy for Multiplying a Matrix by a Real Number

You may encounter ACT Math questions that ask you to multiply an entire matrix by a real number. Fortunately, this is a straightforward operation: Simply multiply the integer by every element in the matrix [more…]

### ACT Strategy for Multiplying a Vertical Matrix by a Horizontal Matrix

On the ACT Math test, you’ll probably have to multiply pairs of matrices that have either one row or one column. An easy way to multiply a vertical matrix by a horizontal matrix is to set up a small grid [more…]

### ACT Strategy for Multiplying a Horizontal Matrix by a Vertical Matrix

On the ACT Math test, you’ll probably have to multiply pairs of matrices that have either one row or one column. An easy way to multiply a horizontal matrix by a vertical matrix is to set up a small grid [more…]

### ACT Strategy for Solving a Matrix Using a Determinant

A *determinant* is a common operation performed on a square matrix. On the ACT Math test, the only determinant formula you need to be familiar with is for a 2 x 2 matrix. Here’s the formula for the determinant [more…]

### Ten Important Things to Remember before Taking the ACT

You can’t be too organized, especially for the ACT Math test. To make sure you get off on the right foot, here are ten items to check off as you approach the test. [more…]

### Understand the Uterus for the Physician Assistant Exam

The Physician Assistant Exam will expect you to understand that without the uterus, reproduction couldn’t occur. Several medical problems can affect the uterus. The organ may move out of place, bleed, [more…]

### Ovary Basics for the Physician Assistant Exam

The two big medical conditions that can affect the ovaries are ovarian cysts and ovarian cancer. These will be covered on the Physician Assistant Exam. Ovarian cysts can cause abdominal and pelvic discomfort [more…]

### A Review of the Cervix for the Physician Assistant Exam

Problems with the cervix often occur in younger women. It’s important to know the basics for the Physician Assistant Exam. Examples include cervical incompetence during pregnancy, cervicitis, cervical [more…]

### Physician Assistant Exam: The Vulva and Vagina

For the Physician Assistant Exam, it is important that you know about tissues that enter the vaginal canal when they shouldn’t, infections and cancer that affects the vulva. These conditions affect many [more…]

### Physician Assistant Exam: The Normal Pregnancy

Pregnancy is an important topic for Physician Assistant Exam questions. You will need to know about the standard of care for pregnant women as well as about normal labor and delivery. [more…]

### How to Deal with Pregnancy Complications for the Physician Assistant Exam

All is well when the pregnancy proceeds normally without any complications. As the Physician Assistant Exam will cover, unfortunately, complications can and do happen in pregnancy. You should be familiar [more…]

### How to Deal with Gestational Bleeding Problems for the Physician Assistant Exam

You will need to know about problems with gestational bleeding for the Physician Assistant Exam. Three bleeding-related complications that can occur during pregnancy include placenta previa, abruptio placentae [more…]

### How to Use Urinalysis for the Physician Assistant Exam

In many Physician Assistant Exam questions about kidney disease, the *urinalysis* (UA) can guide you toward the right answer. Abnormalities of the urine, especially hematuria and proteinuria, are typical [more…]

### Hematuria Questions for the Physician Assistant Exam

*Hematuria,* which means blood in the urine, is a very common clinical problem and will be covered on the Physician Assistant Exam. Being able to evaluate this condition is important because the causes are [more…]

### Proteinuria Questions for the Physician Assistant Exam

You should be familiar with proteinuria for the Physician Assistant Exam. *Proteinuria,* or protein in the urine, is the single most significant prognostic factor in determining the risk of future kidney [more…]