4.7 Completing the square | Baamboozle - Baamboozle

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What factor should you add to the expression to complete the square? x² - 30x

225

Factor. y=x² - 14x + 49

y=(x-7)²

What is a real life application of completing the square

Expanding or minimizing spaces of lands / Answers may vary

Complete the square by adding zero pairs, then factor. y=x² + 2x

y=(x+1)² - 1

Factor. y=x² + 2x + 1

y=(x+1)²

Complete the square and solve to find the zeros. y=x²-12x

zeros at x=0 and x=12

Complete the square and solve to find zeros. 2= x² + x

solutions are x= -2 and x= 1

Area of rectangle = 50 / Length is (x+1) / Width is (x), Find the value of x

x = -5 + 5√3

Factor. y=x² - 20x + 100

y=(x-10)²

Complete the square and solve to find the zeros. 0=x² + 4x

zeros at x= -4 and x=0

The rule of completing the square is doing what to coefficient of x?

(b/2)²

Complete the square and solve to find zeros. -2=x² + 10x

solutions are x= -√23-5 and x= √23 -5

Complete the square and solve to find the zeros. 0=x² + 10x

zeros at x=0 and x= -10

Complete the square and solve to find zeros. 4=x² - 14x

solutions are x= -√53 + 7 and x= √53 + 7

What factor should you add to the expression to complete the square? x² + 3x

2.25

Complete the square by adding zero pairs, then factor. y=x²-5x

y=(x-2.5)² - 6.25

What are the solutions of x² + 10x + 8 = 5 ?

x1 = -5 + 2√3 // x2 = -5 - 2√3

Complete the square by adding zero pairs, then factor. y=x² + x

y=(x+0.5)² - 0.25

Complete the square by adding zero pairs, then factor. y=x²+6x

y=(x+3)² - 9