The Square Root Property and Completing the Square Day 2
Bell Ringer Solve the following quadratic equations 1. (x – 3)2 = -16
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2. (x + 2)2 = 12
Name______________________________________________________ Date________________________ Per._______ College Algebra Chapter 11.2 The Square Root Property and Completing the Square Day 2 Notes Today’s Objectives • I can complete the square for an expression of the form x2 + bx. (9-12.SSE.3(a), 9-12.IF.8) • I can solve a quadratic equation by completing the square. (9-12.SSE.3(a))
Completing the Square a)
c)
Complete the product sum box:
b)
Complete the product sum box:
-15
81
-3
18
Complete the product sum box:
5
d)
Complete the product sum box:
5
-3
10
e)
-6
Complete the product sum box:
Must be equal
g)
Must be equal
-16
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Complete the product sum box:
Must be equal
Must be equal
20
B. Fill in the Blanks a) 2
x + 6 x + 9 = ( ________ )
b) 2
x 2 − 12 x + 36 = ( ________ )
c)
2
d) 2
x + 22 x + _______ = ( x + 11)
2
x 2 − 30 x + _______ = ( x − 15)
e)
2
f) 2
x − 18 x + _______ = ( _________ )
2
x 2 + 4 x + _______ = ( __________ )
Solve a Quadratic Equation by Completing the Square Solve by USING THE SQUARE ROOT PROPERTY a) w2 + 2w = 0
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b)
z2 – 16z = 0
2
Name______________________________________________________ Date________________________ Per._______ College Algebra Chapter 11.2 The Square Root Property and Completing the Square Day 2 Assignment All radical answers must be in simplified radical form.
Fill in the blanks 1.
2.
3.
a2 + 12a + ______ = (_________)2
c2 – 18c + ______ = (_________)2
k2 – 16k + ______ = (_________)2
4.
5.
6.
j2 + 8j + ______ = (_________)2
n2 – 6n + ______ = (_________)2
r2 + 3r + ______ = (_________)2
Solve using the square root property. 7. a2 – 30 = 0 8.
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Email: [email protected]. Phone: 508-869-2333 ext 2201. Course Objectives. Reading. *Understand the power of words and images to transform lives and ...
2011 M.A., Forensic Psychology, John Jay College of Criminal Justice. Thesis title: Forensic confirmation bias: A review and extension to handwriting evidence.
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