Math 8 Semester Assessment

Front

Back

Front

Find the value of the y-coordinate for the system of equations: x - 2y = 1 and x + 4y = 7.

Back

The y-coordinate is 1.

Front

What is the rate of change in speeds if the speeds of two toy cars are changing at a constant rate of 2?

Back

The rate of change is 2.

Front

If (2, 0) is a solution of the linear equation 2x + 3y = k, what is the value of k?

Back

The value of k is 4.

Front

Back

The value of x is 10.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers.

Front

What is an irrational number?

Back

An irrational number cannot be expressed as a simple fraction; its decimal representation goes on forever without repeating.

Front

What is a linear equation?

Back

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Front

What is the solution to a system of equations?

Back

The solution is the point where the graphs of the equations intersect.