Unit 1 Review Day 1

Given the sets of ordered pairs, determine if they are functions or relations.

• A

  Both are functions

• B

  Both are Relations

• C

  f(x) is a function

• D

  g(x) is a function

Which relations are functions?

• A and D

• D

• A and G

• G

Which graph represents f(x) = -2x -5 ?

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Given the table, which of the following equations correctly represents the function?

• A

• B

• C

• D

Solve the equation.

X = ____.

Solve the equation.

X = ___.

The slope/ Rate of change is___.

The slope/ rate of change is ____.

Answer as a fraction

Using the point shown in the graph, write an equation in point-slope form.

y - y1 = m (x - x1)

What is the equation of the line in slope-intercept form?

y = mx + b