Solving Quadratic Equations by Completing the Square
9th Grade
•19 Qs
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Solving Quadratic Equations by Completing the Square
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the first step to solving THIS equation by completing the square?
a2 + 10a + 21 = 0
Set the equation equal to zero
Divide 10 by 2 and add the result to both sides
Add a2 and 10a together
Subtract the 21
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the following quadratics equation by completing the square...
x2 - 10x - 5 = 0
x = -5 ± √30
x = 5 ± √30
x = 30 ± √5
x = -30 ± √5
Tags
CCSS.HSA-REI.B.4B
3.
MATH RESPONSE QUESTION
1 min • 1 pt
Solve for the POSITIVE SOLUTION ONLY of x by completing the square. ROUND to the nearest hundredth (2 decimal places).
Mathematical Equivalence
ON
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
5.
MATH RESPONSE QUESTION
1 min • 1 pt
Solve for the POSITIVE SOLUTION ONLY of x by completing the square. ROUND to the nearest hundredth (2 decimal places).
Mathematical Equivalence
ON
Tags
CCSS.HSA-REI.B.4B
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Tags
CCSS.HSA-REI.B.4B
7.
DROPDOWN QUESTION
1 min • 1 pt
8
64
16
4
256
Tags
CCSS.HSA-REI.B.4B
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