Completing the Square

Front

What do you do to the b value to correctly complete the square?

Back

divide it by 2 and square the result

Front

First step to solve a² + 10a + 21 = 0 by completing the square?

Back

Subtract the 21

Front

When factoring
x² - 4x + 4 = 20,
what goes in the blank?
(x - __ )² = 20

Back

2

Front

Complete the square: x² + 6x + ____

Back

x² + 6x + 9

Front

Convert to vertex form: y = x² + 4x + 10

Back

y = (x + 2)² + 6

Front

In vertex form, f(x) = a(x - h)² + k, what does the h stand for?

Back

the x-coordinate of the vertex

Front

Back

Front

Find the vertex of the parabola: y = 3(x + 5)² - 4

Back

(-5, -4)

Front

Solve by completing the square.
x² +12x = 5

Back

X = −6 + √41 or −6 − √41

Front

(x - 3)² = 49

Back

-4