Writing and Solving Quadratic Equations

• x = -6

• x = 4

• x = -1.8

• x = 1.2

• -74 and 88

• -2 and 16

• -88 and 74

• -16 and 2

• 32

• 13

• 20

• 16

• {-5, -1.5}

• {2.5, 3}

• {1.5, 5}

• {-3, -2.5}

Which function is equivalent to g( x ) = x² + 15x − 54?

• g(x) = (x + 9)(x − 6)

• g(x) = (x + 18)(x − 3)

• g(x) = (x − 9)(x + 6)

• g(x) = (x − 18)(x + 3)

Which expression is equivalent to 210d² - 63d?

• 21d(10d − 3)

• 21d(10d + 3)

• 21(10d + 3)

• 21(10d − 3