8th Grade Math TCAP Review 2022

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction, where both the numerator and the denominator are integers, and the denominator is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.

Front

What conclusion can Kelly draw about the number 0.0566666...?

Back

Rational because it repeats.

Front

What is the formula for the volume of a sphere?

Back

V = (4/3)πr³.

Front

What does a trend line represent in a scatter plot?

Back

A trend line shows the general direction or pattern of the data points in a scatter plot.

Front

What is the solution to the system of equations: y = 5x + 3 and y = -5x + 3?

Back

One solution.

Front

What is the measure of an angle if the options are 50, 55, 60, 70 and the answer is 55?

Back

The measure of the angle is 55 degrees.

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides: a² + b² = c².

Front

What is the formula for the area of a triangle?

Back

Area = (1/2) × base × height.