1.
What are the real roots of the quadratic equation whose related function is graphed below?
A.
3, -1
B.
-1, -3
C.
3
D.
-3, 1
Hint
2.
Solve
x
2
– 6
x
+ 5 = 0 by graphing.
A.
1
B.
5
C.
-1
D.
1, 5
Hint
3.
Solve
x
2
+ 4
x
+ 4 = 0 by graphing.
A.
-4, 4
B.
-2
C.
-2, 2
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 -1 and 0 and between 0 and 1
C.
between -3 and -2 and between -1 and 0
D.
between 0 and 1 and between 2 and 3
Hint
5.
The sum of two numbers is 12, and the product of the numbers is 36. What are the numbers?
A.
6 and 6
B.
7 and 5
C.
6 and 9
D.
9 and 4
Hint