Posted by **Queta** on Sunday, September 8, 2013 at 8:18am.

1. Which of the following conclusions is true about the statement below ?

x^2 = square root x

A. The statement is never true.

B. The statement is true when x = 0.

C. The statement is true when x is negative.

D. The statement is always true.

My answer is c.

2. Select the approximate values of x that are solutions to f ( x ) = 0, where f (x)=-2 x^2 +4 x + 9.

A. (-0.22 , 0.44 0

B. (-2 , 4)

C. (-2.00 , -4.50 )

D. ( -1.35 , 3.35 )

My answer is B.

3. Select the approximate values of x that are solutions to f ( x ) = 0, where f ( x)= -3 x^2 + 8 x +3.

A. ( 3.00 , -0.33 )

B. ( -3 , 8 )

C. ( -2.67 , -1.00 )

D. ( -1.00 , 2.67 )

My answer is A.

4. Select the approximate values of x that are solutions to f (x)=0, where f(x)=8 x^2 +7 x +4 .

A. ( -0.39 , 1.27 )

B. ( -8 , 7 )

C. ( -0.88 , -0.50 )

D. ( -2.00 , 1.75)

My answer is C.

- Math Quadratic Equations -
**Graham**, Sunday, September 8, 2013 at 9:00am
You score 1/4

1C incorrect

2B incorrect

3A correct

4C incorrect

- Math Quadratic Equations -
**Queta**, Sunday, September 8, 2013 at 9:29am
Hi Graham

I went back over my work and

1. A

2. D

4. A

please let me know if I miss something! Thank you

- Math Quadratic Equations -
**Alexis**, Sunday, August 31, 2014 at 2:45am
Select the approximate values of x that are solutions to f(x) = 0, where

f(x) = -3x2 + 6x + 9

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