Math Quadratic Equations
posted by Queta on .
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.

You score 1/4
1C incorrect
2B incorrect
3A correct
4C incorrect 
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 
Select the approximate values of x that are solutions to f(x) = 0, where
f(x) = 3x2 + 6x + 9