Quadratic Equations Using Square Root Method With Imaginary Solutions

Solve.
12x² + 50 = 2

• x = 4

• x = 2

• x = ± 2

• x = ± 2i

Which strategy is the most appropriate for solving (b – 3)² = 8

• Quadratic Formula

• Zero Product Property

• Completing the Square

• Square Root Property

Given the equation 10y² – y + 9 = 0, calculate the discriminant.

Solve.   x² = -40

• x = 4i√10

• x = ± 2√10

• x = ± 2i√10

• x = ± 10i√2

Solve using square roots.

• √3

• ±√3

• -3

• ±i√3

Solve.
4x² - 7 = -10

• x = ± (3i)/2

• x = ± (i√3)/2

• x = ± (i√3)/4

• x = ± (i√6)/4

Solve by taking the square root: -9k² = 225

• 4i

• 4, -4

• 25i, -25i

• -5i, 5i

Solve using the square root method.
\frac{1}{4}x^2+9=0

Solve.
 3x² + 2 = 12

• x = ± (i√30)/3

• x = ± √10

• x = ± (√30)/3

• x = ± (i√13)/3

What are the solutions of the quadratic equation 6x^2 + 24 = 0 when using square roots with imaginary numbers?

• x = 4i

• x = 2i, x = -2i

• x = -2

• x = 2