Alg 1 Semester Exam: 2023

Front

What is set-builder notation?

Back

A mathematical notation for describing a set by stating the properties that its members must satisfy.

Front

How do you write the solutions of 9 - 4n > 21 in set-builder notation?

Back

{n | n < -3 }

Front

What does it mean to simplify an exponential expression?

Back

To reduce the expression to its simplest form by applying the laws of exponents.

Front

What is the simplified form of 10x^-2?

Back

2x^2

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

If a fitness club starts with 80 members and gains 15 members each month, what is the equation for total membership?

Back

y = 15x + 80

Front

What does |x - 6| represent?

Back

The absolute value of the expression x - 6, which measures the distance of x from 6.

Front

What are the solutions of 2|x - 6| = 10?

Back

x = 1 and x = 11

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if they intersect at a right angle (90 degrees).

Front

What is the slope of the line y = -2/3x + 2?

Back

The slope is -2/3.