
Algebra 1: Final Work with Quadratic Equations

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Standards-aligned

Olivia Brooks
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a method to solve quadratic equations?
Completing the square
Using the quadratic formula
Using linear interpolation
Factoring
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a quadratic equation by factoring?
Graph the equation
Take the square root of both sides
Set the equation equal to zero
Use the quadratic formula
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When completing the square, what do you do after moving the constant term to the other side?
Graph the equation
Factor the equation
Use the quadratic formula
Add the square of half the coefficient of x to both sides
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the quadratic formula, what does the term 'b^2 - 4ac' represent?
The vertex of the parabola
The axis of symmetry
The discriminant
The y-intercept
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the quadratic formula used to solve for x?
x = (-b ± √(b^2 - 4ac)) / 2a
x = (-b ± √(b^2 + 4ac)) / 2a
x = (-b ± √(b^2 - 4ac)) / a
x = (b ± √(b^2 - 4ac)) / 2a
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the discriminant (b^2 - 4ac) is negative, what can be concluded about the solutions of the quadratic equation?
There is one real solution
The solutions are complex conjugates
There are two real solutions
There are no real solutions
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you tell graphically that a quadratic equation has no real solutions?
The parabola lies entirely above the x-axis
The parabola touches the x-axis at one point
The parabola crosses the x-axis at two points
The parabola does not intersect the x-axis
Tags
CCSS.HSA-REI.B.4B
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