
Solving Quadratic Equations with the Quadratic Formula

Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Hard
Standards-aligned

Liam Anderson
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of the quadratic formula?
To graph linear equations
To integrate functions
To factor polynomials
To solve quadratic equations
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What form must a quadratic equation be in to use the quadratic formula?
ax + b = 0
ax^2 + bx = c
ax^2 = bx + c
ax^2 + bx + c = 0
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation 2x^2 + 5x - 12 = 0, what is the value of 'a'?
5
2
-12
12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'x-intercepts' refer to in the context of a quadratic equation?
The points where the graph crosses the x-axis
The points where the graph touches the y-axis
The minimum points on the graph
The maximum points on the graph
Tags
CCSS.HSF-IF.C.7A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you adjust the equation 4x^2 - 4x = -1 to use the quadratic formula?
Multiply each term by -1
Add 1 to both sides
Divide each term by 4
Subtract 1 from both sides
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the quadratic formula when the discriminant (b^2 - 4ac) is zero?
An infinite number of solutions
Two distinct real solutions
One real solution
No real solutions
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a positive 'a' value indicate about the graph of a quadratic equation?
The graph opens downwards
The graph is a straight line
The graph opens upwards
The graph does not intersect the x-axis
Tags
CCSS.HSF-IF.C.7A
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