
9-2 Solving Quadratics w/ the Quadratic Formula
Quiz
•
Mathematics
•
9th Grade
•
Hard
Meaghan Lewis
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve by applying the quadratic formula 2x2 + 7x - 15 = 0
x = -1.5 and x = 5
No Solution
x = -5 and x = 1.5
x = 0.7 and x = 5
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Use the quadratic formula to find the solutions for
y = -x2 - 5x + 12
x = -4.9 and x = -0.1
x = -8.54 and x = 8.54
x = -0.45 and x = 3.55
x = -6.77 and x = 1.77
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve using the Quadratic Formula:
x2 + 4x + 3 = 0
x = 1 and x = 3
x = 6 and x = -2
x = -1 and x = -3
x = -6 and x = -2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Solve using the quadratic formula.
2x2 - 9x - 35 = 0
x = 7/2 and x = -6
x = -5/2 and x =5
x = -3/7 and x =6
x = -5/2 and x = 7
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Use the quadratic formula to solve: n2 = 9n - 20
n = 4 and n = -5
n = -4 and n = 5
n = -4 and n = -5
n = 4 and n = 5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the quadratic formula to solve 2n2-4n = 30
x = -3 and x = 5
x = -5 and x = 3
x = -1.18 and x = 3.18
x = -3.83 and x = 7.83
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the quadratic formula to solve -8k2-k+2=0
x = -0.57 and x = 0.44
x = -0.61 and x = 0.47
x = -4 and x = 4
x = -2 and x = 2
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