Writing Linear and Non-Linear Function Rules

What rule represents this function:

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

• y = x² + 3

• y = -x² + 3

• y = x² - 3

• y = -x² - 3

What rule represents this function:

(-2, -9), (-1, -2), (0, -1), (1, 0), (2, 7)

• y = -x³ + 1

• y = x³ + 1

• y = -x³ - 1

• y = x³ - 1

What rule represents this function:

(-1, 2), (0, 1), (1, 2), (2, 3), (3, 4)

• y = |x - 1|

• y = |x + 1|

• y = |x| - 1

• y = |x| + 1

What rule represents this function:

(-8, -4), (-4, -3), (0, -2), (4, -1), (8, 0)

• y = -¼x + 2

• y = -¼x - 2

• y = ¼x + 2

• y = ¼x - 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What equation represents this function:

(-2, 15), (-1, 1), (0, -1), (1, -3), (2, -17)

• y = 2x³ - 1

• y = -2x³ - 1

• y = x³ - 1

• y = -x³ - 1

What equation represents this function:

(-2, 4), (-1, 3), (0, 2), (1, 3), (2, 4)

• y = |x| + 2

• y = |2x| + 2

• y = |x| - 2

• y = -|x| + 2

What equation represents this function:

(1, -1), (2, 5), (3, 15), (4, 29), (5, 47)

• y = -2x² - 3

• y = 2x² + 3

• y = 2x² - 3

• y = x² - 3

Tags

CCSS.8.F.A.1

CCSS.8.F.A.2

What function represents these ordered pairs:

(-6, 5), (-3, 3), (0, 1), (3, -1), (6, -3)

• y = -⅔x + 1

• y = ⅔x + 1

• y = -⅖x + 1

• y = ⅖x + 1

What function rule represents these ordered pairs:

(-2, -11), (-1, -4), (0, -3), (1, -2), (2, 5)

• y = -2x³ - 3

• y = 2x³ - 3

• y = -x³ - 3

• y = x³ - 3

What rule represents this function:

(-2, 7), (-1, 5), (0, 3), (1, 5), (2, 7)

• y = 2x + 3

• y = |2x| + 3

• y = -|2x| + 3

• y = -2x + 3