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22 questions
For the function below, is the discriminant positive, negative, or zero?
___________
y = x² + 4x + 4
Positive
Negative
Zero
Not Sure
What is the discriminant of -2x2 − x − 1 = 0
76
-7
9
none of these
What is the discriminant of 6x2 − 2x − 3 = 0
76
29
68
none of these
What is the discriminant for 5x2 + x − 2 = 0
-39
42
-41
none of these
If the discriminant is positive, then the solution will be
one real solution
two real solutions
no real solutions
one imaginary solution
Determine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
a = 4, b = -8, c = 3
a = 4, b =-8, c =-3
a = 4, b = 8, c = 3
a = 4, b = 8, c = -3
Find the value of the discriminant
A
B
C
D
Find the value of the discriminant
A
B
C
D
Find the value of the discriminant
A
B
C
D
Find the discriminant of each quadratic then determine the number and type of solutions
A
B
C
D
Find the discriminant of each quadratic then determine the number and type of solutions
A
B
C
D
Find the discriminant of each quadratic then determine the number and type of solutions
A
B
C
D
For the function above, is the discriminant positive, negative, or zero?
Positive
Negative
Zero
Cannot be determined
Use the quadratic formula to solve 2x2 + 2x - 12 = 0?
-2, 3
2, 3
2, -3
-2, -3
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