Wooten NC Math 4 Final Exam

Front

What is the rate of increase in the number of users for an online game that gains 500 users each day?

Back

The rate of increase is 500 users per day.

Front

How does the parabola open in the equation y = -x² + 4x - 1?

Back

The parabola opens down.

Front

What is the Law of Sines used for in trigonometry?

Back

The Law of Sines is used to find unknown angles or sides in non-right triangles.

Front

Simplify the expression: 5y - 8z - (z + 3y) + 5(y - 2z).

Back

The simplified expression is 7y - 19z.

Front

Evaluate the expression: 2³ + 4².

Back

The result is 28.

Front

What is the general form of a quadratic equation?

Back

The general form is y = ax² + bx + c, where a, b, and c are constants.

Front

What does the vertex of a parabola represent?

Back

The vertex represents the highest or lowest point of the parabola.

Front

What is the formula for the area of a triangle?

Back

The area is given by A = 1/2 * base * height.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the difference between a rational and an irrational number?

Back

A rational number can be expressed as a fraction, while an irrational number cannot.