Solve quadratics by factoring and completing the square
Authored by Colleen Bitar
Mathematics
9th - 12th Grade
CCSS covered
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Solve the following quadratics equation by completing the square...
x2 + 4x + 1 = 0
x = -2 ± √3
x = -3 ± √2
x = 2 ± √3
x = 2 ± √2
Tags
CCSS.HSA-REI.B.4B
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Now you: What number should be added to complete the square?
(a)
Tags
CCSS.HSA-REI.B.4B
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Which of the following trinomials is a perfect square trinomial ?
Tags
CCSS.HSA.APR.C.4
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
When factoring
x2 - 4x + 4 = 20,
what goes in the blank?
(x - _ )2 = 20
(a)
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Solve by completing the square.
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
What do the "Zeros" represent on a quadratic equation graph?
x-intercepts
y-intercepts
vertex
focus
Tags
CCSS.HSF-IF.C.7A
7.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Solve using the Zero-Product Property.
(x + 4)(x − 3) = 0
x = 4 and x = −3
x = 2 and x = 1
x = −4 and x = 3
x = −2 and x = 1
Tags
CCSS.HSA-REI.B.4B
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