1.
What are the real roots of the quadratic equation whose related function is graphed below?
A.
-4
B.
-2
C.
-4, 4
D.
4
Hint
2.
Solve
x
2
+ 4
x
+ 4 = 0 by graphing.
A.
4
B.
-4, 4
C.
-2
D.
-2, 2
Hint
3.
Solve
a
2
+ 16 = 0 by graphing.
A.
B.
-4, 4
C.
4
D.
-4
Hint
4.
The equation
x
2
+ 1 = -3
x
does not have integral roots. State the consecutive integers between which the roots lie.
A.
between 0 and 1 and between 2 and 3
B.
between -3 and -2 and between -1 and 0
C.
between -3 and -2 and between 0 and 1
D.
between -1 and 0 and between 0 and 1
Hint
5.
A quadratic function has a maximum point at (1, 4). The roots of the related quadratic equation are -1 and 3. Which is the graph of the function?
A.
B.
C.
D.
Hint