Algebra Semester Exam Review #1 (1-26)

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Back

None

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-3

Front

What is the slope of the line that passes through the points (3, -2) and (3,5)?

Back

Undefined

Front

Evaluate f(4) for the function f(x)=x^2-5x.

Back

-4

Front

Simplify 5√80.

Back

20√5

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What is the formula for the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1) for points (x1, y1) and (x2, y2).

Front

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

Back

The point where the line crosses the y-axis.

Front

What is the standard form of a linear equation?

Back

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

Front

What is the difference between a function and a relation?

Back

A function assigns exactly one output for each input, while a relation can assign multiple outputs.