Math 8 Functions Test Review

Slope-intercept form: y = mx + b

m is the ________

• slope

• y-intercept

• x-intercept

• equation

Slope-intercept form: y = mx + b

b is the _________

• slope

• y-intercept

• x-intercept

• equation

• slope: -2/3

  y-intercept: -1

• slope: 2/3

  y-intercept: -1

• slope: -1

  y-intercept: -2/3

• slope: 2/3

  y-intercept: -1

• slope: -1

  y-intercept: 2

• slope: 1

  y-intercept: 2

• slope: 2

  y-intercept: -1

• slope: 2

  y-intercept: 1

• slope: 2

  y-intercept: 0

• slope: 2

  y-intercept: 2

• slope: -2

  y-intercept: 2

• slope: 0

  y-intercept: 0

List the domain and range of the relation:

(-2, 3), (3, -2), (1, 3), (0, -2)

• Domain: {-2, 0, 1, 3}

  Range: {-2, 3}

• Domain: {-2, 3}

  Range: {-2, 0, 1, 3}

• Domain: {-2, 3. 3, 1}

  Range: {0, -2}

• Domain: {-2, 3, 1, 0}

  Range: {3, -2, 3, -2}

Is is a function?:

(-2, 3), (3, -2), (1, 3), (0, -2)

• Yes

• No

List the domain and range:

(3, -2), (-2, 3), (3, 1), (-2, 0)

• Domain: {-2, 3}

  Range: {-2, 0, 1, 3}

• Domain: {-2, 0, 1, 3}

  Range: {-2, 3}

• Domain: {3, -2, 3, -2}

  Range: {-2, 3, 1, 0}

• Domain: {3, -2, -2, 3}

  Range: {3, 1, -2, 0}

Is it a function?:

(3, -2), (-2, 3), (3, 1), (-2, 0)

• Yes

• No

• Function

• Not a Function