
3.6 Using the Quadratic Formula and the Discriminant
Presentation
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Muraad Jawaada
Used 5+ times
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1 Slide • 10 Questions
1
3.6 Using the Quadratic Formula and the Discriminant
Sunday, January 10
2
Multiple Choice
The discriminant is
A. aX2 + bX + c
B. b - 4ac
C. b2 - 4ac
D. b2 + 4ac
3
Multiple Choice
Solve using the quadratic formula. f(x) = 2x2- 4x + 7
A. (2±2i√10)/2
B. (4±√40)/4
C. (2±i√10)√/2
D. (2±2i√40)/4
4
Multiple Choice
A
B
C
D
5
Multiple Choice
Use the quadratic formula to solve 2x2 + 2x - 12?
A. -2, 3
B. 2, 3
C. 2, -3
D. -2, -3
6
Multiple Choice
Determine the value of the discriminant and describe the number and type roots for the following:
x2 + 7x + 13
A. 101, 2 real roots
B. 3, 2 real roots
C. -101, 2 imaginary roots
D. -3, 2 imaginary roots
7
Multiple Choice
Determine the values of
a, b, and c for
the quadratic equation:
4x2 – 8x = 3
A. a = 4, b = -8, c = 3
B. a = 4, b =-8, c =-3
C. a = 4, b = 8, c = 3
D. a = 4, b = 8, c = -3
8
Multiple Choice
____________
For the function above, is the discriminant positive, negative, or zero?
A. Positive
B. Negative
C. Zero
D. Not Sure
9
Multiple Choice
____________
For the function above, is the discriminant positive, negative, or zero?
A. Positive
B. Negative
C. Zero
D. Not Sure
10
Multiple Choice
Use the quadratic formula to solve 2x2 + 2x - 12.
A. x = -2, 3
B. x = 2, 3
C. x = 2, -3
D. x = -2, -3
11
Multiple Choice
Determine the value of the discriminant and describe the number and type roots for the following:
x2 + 7x + 13
A. 101; 2 real roots
B. 3; 2 real roots
C. -101; 2 imaginary roots
D. -3; 2 imaginary roots
3.6 Using the Quadratic Formula and the Discriminant
Sunday, January 10
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