
Mastering Quadratic Equations
Authored by annjoy luttah
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8th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the quadratic formula?
x = (b ± √(b² - 2ac)) / (a)
x = (b ± √(b² + 4ac)) / (2a)
x = (-b ± √(b² - 4ac)) / (2a)
x = (-b ± 2√(b² - 4ac)) / (2a)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for x: 2x² - 4x - 6 = 0
x = 3, x = -1
x = 4
x = 2
x = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the values of a, b, and c in the equation x² + 5x + 6 = 0?
a = 1, b = 6, c = 5
a = 0, b = 5, c = 6
a = 2, b = 3, c = 4
a = 1, b = 5, c = 6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many solutions can a quadratic equation have?
Only 1 solution
3 solutions
Infinitely many solutions
0, 1, or 2 solutions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solve for x: x² - 3x + 2 = 0 using the formula method.
x = 0, 3
x = -1, 4
x = 1, 3
x = 1, 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the discriminant tell you about the roots?
The discriminant shows the average of the roots.
The discriminant indicates the sum of the roots.
The discriminant reveals the product of the roots.
The discriminant tells you the nature of the roots: two distinct real roots, one real root, or two complex roots.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the discriminant is negative, what can you say about the solutions?
The solutions are always positive.
The solutions are complex (imaginary) and not real.
The solutions are real and equal.
The solutions are real and distinct.
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