NEW
Font size
WorksheetsQuadratic Formula
Total questions: 19
Worksheet time: 13mins
Which of the following is used to find the discriminant?
the quadratic formula
b2 + 4ac
b2 - 4ac
the square root of b2 - 4ac
the square root of b2 + 4ac
If the discriminant is a negative number, then you will have
one real solution
two real solutions
no real solutions
infinite solutions
Is the discriminant positive, negative, or zero?
Negative
Positive
Zero
Can't tell
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
For the following quadratic equation, what is the value of c ?
x2 - 7x + 2 = 15
2
15
-13
17
For the following quadratic equation, what is the value of a ?
x2 - 7x + 2 = 15
0
x2
-7
1
For the following quadratic equation, what is the value of b ?
5x2 - 11 = 0
5
0
11
-11
1
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 of -x2 − 2x - 1 = 0
8
1
-1
0
A function has a discriminant of 25.
______________
How many solutions does it have?
0
1
2
Infinite
A function has a discriminant of -25.
______________
How many solutions does it have?
0
1
2
infinite
A function has a discriminant of 0.
______________
How many solutions does it have?
0
1
2
infinite
