Solve Quadratic Equation Using Square Root Property

Solve the following quadratics equation by completing the square..

x² + 4x + 1 = 0

• x = -2 ± √3

• x = -3 ± √2

• x = 2 ± √3

• x = 2 ± √2

Tags

CCSS.HSA-REI.B.4B

2x² + 5x ≥ 12

• [-4, 1.5]

• (−∞, -4) U (1.5, ∞)

• (−∞, -4] U [1.5, ∞)

• no solution

Use the square root property to solve the Quadratic Equation.

(x + 1) ² = 25

• ± 5

• 4 or -6

• -4 or 6

• ± 4

Tags

CCSS.HSA-REI.B.4B

• 10
• -10
• 10i
• -10i

• 5i
• -5i
• 5+i
• -5

Solve
3x² - 5 = -446

• ±√-147

• 7i√3

• ±7i√3

• -7√3

Tags

CCSS.HSA-REI.B.4B

• 10
• -10
• 10i
• -10i

Solve using the Square Root Property.
x²=16

• {± 4}

• {4}

• {± 8}

• {2√4}

Tags

CCSS.HSA-REI.B.4B

Solve using the Square Root Property.
(x-8)² = 12

• {±2√3}

• {8 ± 2√3}

• {2, 14}

• {-6√3, 10√3}

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square. 
x² - 14x - 9 = 7

• {14 ± 2√53}

• {-9, -3}

• {2,14}

• {7±√65}

Tags

CCSS.HSA-REI.B.4B