Midterm Review

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, where 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 is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

What is a whole number?

Back

A whole number is a non-negative integer, which includes zero and all positive integers.

Front

How do you order numbers in descending order?

Back

To order numbers in descending order, arrange them from the largest to the smallest.

Front

What is the solution to the simultaneous equations x + y = 14 and x - y = 2?

Back

The solution is (8, 6).

Front

What is the slope-intercept form of a linear equation?

Back

The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you find the slope of a line given two points?

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).

Front

What does it mean for a number to be in decimal form?

Back

A number in decimal form is expressed using a decimal point to separate the whole part from the fractional part.

Front

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

Back

All integers are rational numbers, but not all rational numbers are integers. Rational numbers can be fractions, while integers cannot.