Quadratic Equations Review (Algebra IIA 1)

Solve: 3(x + 5)² = 12

• x = 7 & x = 3

• x = 9 & x = 1

• x = -3 & x = -7

• x = -1 & x = -9

Solve: 2x^-2 + 5x^-1 − 12 = 0

• x = -1/4 & x = 2/3

• x = -1/8 & x = 1/3

• x = -1/3 & x = 1/8

• x = -2/3 & x = 1/4

Solve: x⁴ + 7x² − 18 = 0

• x = ±3 & x = ±i√2

• x = ±3i & x = ±i√2

• x = ±3 & x = ±√2

• x = ±3i & x = ±√2

Write an equation with given roots: -3/4, 6

• 3x² − 14x −24 = 0

• 4x² − 21x −18 = 0

• 3x² + 14x − 24 = 0

• 4x² + 21x − 18 = 0

Write an equation with given roots: 1 + 5i, 1 − 5i

• x² −2x + 26 = 0

• x² − 2x + 24 = 0

• x² + 2x + 24 = 0

• x² + 2x + 26 = 0

Solve: x² + 2x − 8y − 11 = 0

x + 2y + 1 = 0

• (7, -4), (-1, 0)

• (-7, 3), (1, -1)

• (-7, -3), (1, 1)

• (7, 4), (-1, 0)