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Solving Quadratic Equations - Quadratic Formula

Total questions: 3

Worksheet time: 8mins

Name
Class
Date
1.

Use the Quadratic Formula to solve  x2+6x16=0x^2+6x-16=0  

a)

 x=8, x=2x=-8,\ x=-2  

b)

 x=8, x=2x=-8,\ x=2  

c)

 x=2, x=8x=2,\ x=8  

d)

 x=12, x=8x=\frac{1}{2},\ x=8  

e)

No Solution

2.

Use the Quadratic Formula to solve  3x2=510x3x^2=-5-10x  

a)

 x=3, x=5x=3,\ x=5  

b)

 x=10+106,  x=10106x=\frac{-10+\sqrt{10}}{6},\ \ x=\frac{-10-\sqrt{10}}{6}  

c)

 x=5+53,  x=553x=\frac{-5+\sqrt{5}}{3},\ \ x=\frac{-5-\sqrt{5}}{3}  

d)

 x=10+406,  x=10406x=\frac{-10+\sqrt{40}}{6},\ \ x=\frac{-10-\sqrt{40}}{6}  

e)

No Solution

3.

Use the Quadratic Formula to solve  x24x+5=0x^2-4x+5=0  

a)

 x=1, x=5x=1,\ x=-5  

b)

 x=1, x=5x=-1,\ x=5  

c)

 x=1, x=5x=-1,\ x=-5  

d)

 x=4+202,  x=4202x=\frac{4+\sqrt{20}}{2},\ \ x=\frac{4-\sqrt{20}}{2}  

e)

No Solution