Unit 4 Review

Front

What is the value of g(7) if g(x) = 2x - 3?

Back

17

Front

Match the graph with the correct equation: y = mx + b

Back

Graph A corresponds to y = 2x + 1, Graph B corresponds to y = -x + 3, Graph C corresponds to y = 0.5x - 2, Graph D corresponds to y = -2x + 4.

Front

Which graph represents the function y = x^2?

Back

Graph B is the correct representation.

Front

How many pieces are graphed in the function y = |x|?

Back

There are 2 pieces.

Front

Find the slope of the line passing through the points (-4, 3) and (-4, -7).

Back

The slope is Undefined.

Front

What is the definition of a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

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

Back

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

Front

What does the slope of a line represent?

Back

The slope represents the rate of change of y with respect to x.

Front

What is the y-intercept of the line represented by the equation y = 3x + 4?

Back

The y-intercept is 4.

Front

What is the domain of the function f(x) = 1/x?

Back

The domain is all real numbers except x = 0.