Intro to Solving Quadratic Equations

Quiz
•
Mathematics
•
9th Grade
•
Medium
+2
Standards-aligned
Linda Miragliotta
Used 2+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
2.
MULTIPLE SELECT QUESTION
15 mins • 5 pts
What is another word for roots of an equations?
(Select all choices that apply.)
zeros
x-intercepts
solutions
Tags
CCSS.HSF-IF.C.7A
3.
REORDER QUESTION
15 mins • 6 pts
What are the steps to solving this by completing the square?
x2 + 10x + 21 = 0
Add 25 to both sides of the equation
Take the square root of both sides of the equation
Subtract 5 from both sides of the equation
Subtract 21 from both sides of the equation
Rewrite the left hand side as a (binomial)2
Answer explanation
Steps for completing the square when a=1
1st: Rewrite as x2 + bx = c
2nd: Take half of b, square it, then add this to both sides.
3rd: Factor the perfect square trinomial.
4th: Take the square root of both sides and solve for both cases.
5th: Write the answer using curly braces in set notation
Tags
CCSS.HSA-REI.B.4B
4.
LABELLING QUESTION
15 mins • 6 pts
Complete the quadratic formula in the diagram shown given that a quadratic equation is in
standard form
ax2 + bx + c = 0,
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
Solve by the Square Root method: x2 = 16
± 4
± 8
4i
8i
-4i
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
The points at which a parabola intersects the x-axis are the ________________.
quadratic roots
vertex
axis of symmetry
asymptotes
factors
Tags
CCSS.HSF-IF.C.7A
7.
MULTIPLE CHOICE QUESTION
15 mins • 5 pts
How many solutions are in the graph of the quadratic equation shown?
0
1
2
3
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