
Mastering the Quadratic Formula for Solving Equations

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

Lucas Foster
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard form of a quadratic equation?
ax^2 + bx + c = 0
a(x^2) + b(x) + c
ax + b = 0
ax^2 + bx = c
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the discriminant in the quadratic formula indicate?
The y-intercept of the graph
The slope of the graph
The maximum value of the quadratic equation
The type of solutions the equation will have
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the discriminant?
2a - b^2
b^2 + 4ac
b^2 - 4ac
4ac - b^2
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a positive discriminant indicate about the solutions of a quadratic equation?
Infinite solutions
One real solution
No real solutions
Two real solutions
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the discriminant is zero, how many real solutions does the quadratic equation have?
Infinite
None
One
Two
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method can be used to simplify the square root of a non-perfect square in the quadratic formula?
Factoring method
Long division method
Birthday cake method
Synthetic division
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a negative discriminant indicate about the solutions of a quadratic equation?
Cannot be determined
Two real solutions
One real solution
No real solutions
Tags
CCSS.HSA-REI.B.4B
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