Modules 4 & 5 Review for Test

Front

What is the equation for the graphed line?

Back

y − 3 = -1/2(x + 1)

Front

In slope intercept form (y=mx+b), what does 'b' represent?

Back

The y-intercept

Front

Does the relationship represent direct variation?

Back

Yes

Front

What is the y-intercept of the line graphed below?

Back

4

Front

What is the definition of a function?

Back

Every input has only ONE output

Front

What is the slope of the line represented by the equation y = 2x + 3?

Back

2

Front

What does the term 'direct variation' mean?

Back

A relationship where one variable is a constant multiple of another.

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 x-intercept of the line y = 0.5x + 2?

Back

-4 (set y=0 and solve for x)