1.
What are the real roots of the quadratic equation whose related function is graphed below?
A.
-4, 4
B.
-4
C.
4
D.
-2
Hint
2.
Solve
x
2
+ 4
x
+ 4 = 0 by graphing.
A.
-2
B.
-4, 4
C.
4
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 -3 and -2 and between 0 and 1
B.
between -3 and -2 and between -1 and 0
C.
between 0 and 1 and between 2 and 3
D.
between -1 and 0 and between 0 and 1
Hint
5.
The sum of two numbers is 2, and the product is 3. What are the numbers?
A.
1 and –3
B.
no solution
C.
–1 and 3
D.
1 and 1
Hint