End of Year Assessment 8th Grade Math

Front

What is the value of x in the equation 4x + 5 = 3x + 9?

Back

4

Front

If a shape is rotated 90° counterclockwise about the origin, what is the new coordinate of point A(3, -5)?

Back

(-5, -3)

Front

What is the initial setup fee for renting a bounce house if the total cost for 3 hours is $130 and the hourly rate is $25?

Back

$55

Front

What does the slope of a line represent in a graph?

Back

The rate of change of y with respect to x.

Front

If Dave bought an antique clock for $300 and it increases in value by $50 each year, what will be its value after 5 years?

Back

$550

Front

What is the formula to find the area of a triangle?

Back

Area = 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 definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

How do you solve the equation 2x - 3 = 7?

Back

x = 5

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.