Quadratic Formula

Quiz
•
Mathematics
•
9th Grade
•
Hard
Wayground Content
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the significance of the coefficient 'a' in a quadratic equation?
It determines the width of the parabola.
It determines the direction of the parabola: if 'a' is positive, the parabola opens upwards; if 'a' is negative, it opens downwards.
It affects the position of the vertex of the parabola.
It indicates the number of real roots of the equation.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the axis of symmetry in a quadratic function?
@@x = -\frac{b}{2a}@@
@@y = -\frac{b}{2a}@@
@@x = \frac{b}{2a}@@
@@y = \frac{b}{2a}@@
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve using the quadratic formula: @@2x^2 - 4x + 2 = 0@@
x = 1
x = 2
x = 0
x = -1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve using the quadratic formula: @@x^2 - 6x + 9 = 0@@
x = 2
x = 3
x = 4
x = 5
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the standard form of a quadratic equation?
@@ax^2 + bx + c = 0@@
@@x^2 + y^2 = 1@@
@@y = mx + b@@
@@ax^2 + bx = 0@@
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve using the quadratic formula: @@x^2 + 2x + 1 = 0@@
x = 0
x = -2
x = -1
x = 1
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve using the quadratic formula: @@x^2 + 4x + 4 = 0@@
x = -2
x = 0
x = 2
x = -4
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