### All SAT II Math I Resources

## Example Questions

### Example Question #42 : Functions And Graphs

What is the vertex of the following function? Is it a maximum or a minimum?

**Possible Answers:**

**Correct answer:**

Explanation:

The equation of a parabola can be written in vertex form

where is the vertex and ** **determines if it is a minimum or maximum. If is positive, then it is a minimum; if is negative, then it is a maximum.

In this example,** ** is negative, so the vertex is a maximum.

and

### Example Question #2 : Maximum And Minimum

Determine the maximum or minimum of .

**Possible Answers:**

**Correct answer:**

Explanation:

Rewrite the equation by the order of powers.

This is a parabola in standard form:

Determine the values of to the vertex formula.

Since the leading coefficient of the parabola is negative, the parabola will curve downward and will have a maximum point.

Therefore there is a maximum at,

.

William

Certified Tutor

Certified Tutor

Kwame Nkrumah University of Science and tech, Bachelor of Science, Electrical Engineering. Texas A M University-Kingsville, ...

### All SAT II Math I Resources

Popular Subjects

Chemistry Tutoring in Atlanta, ACT Tutoring in Miami, GRE Tutoring in Chicago, Computer Science Tutoring in New York City, Algebra Tutoring in Los Angeles, English Tutoring in New York City, Algebra Tutoring in Miami, Statistics Tutoring in San Francisco-Bay Area, Chemistry Tutoring in Houston, Computer Science Tutoring in Dallas Fort Worth
Popular Courses & Classes

MCAT Courses & Classes in Chicago, LSAT Courses & Classes in Atlanta, ISEE Courses & Classes in Dallas Fort Worth, GRE Courses & Classes in Atlanta, SAT Courses & Classes in Miami, GMAT Courses & Classes in Denver, SSAT Courses & Classes in Denver, MCAT Courses & Classes in Denver, GMAT Courses & Classes in Chicago, ISEE Courses & Classes in Denver
Popular Test Prep

MCAT Test Prep in Philadelphia, ISEE Test Prep in Los Angeles, GRE Test Prep in Phoenix, ISEE Test Prep in Dallas Fort Worth, SSAT Test Prep in Washington DC, LSAT Test Prep in Miami, SAT Test Prep in Los Angeles, SSAT Test Prep in San Diego, SAT Test Prep in Dallas Fort Worth, GMAT Test Prep in Los Angeles