Algebra Final Exam 1st Semester

Front

What is the slope in the equation y=2x + 3?

Back

The slope is 2.

Front

Write a rule that represents the helicopter’s height h above the ground as a function of time t if it climbs at a rate of 21 ft/s from 40 ft above the ground.

Back

h = 21t + 40

Front

What type of slope is represented in the image if the line is horizontal?

Back

Undefined Slope.

Front

If you multiply a positive AND a negative number, what will the answer be?

Back

The answer will always be negative.

Front

Identify the constant in the expression 6x - y + 3.

Back

The constant is 3.

Front

What is the definition of a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed.

Front

What does the y-intercept represent in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis.

Front

How do you find the slope from two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are integers.

Front

What is the difference between a positive slope and a negative slope?

Back

A positive slope rises from left to right, while a negative slope falls from left to right.