quadratic functions

Front

Find the value of c that makes x² + 16x + c a perfect square.

Back

64

Front

Complete the square for
x² + 12x + ____

Back

x² + 12x + 36

Front

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

Back

2

Front

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

Back

divide it by 2 and square the result

Front

When do you use the plus or minus symbol (±)?

Back

After taking the square root of both sides

Front

5b² - 4 = 41

Back

b = ±3

Front

(2x - 4)² = 16

Back

x = 0, 4

Front

The graph of a quadratic function is called

Back

a parabola

Front

Standard form of a quadratic equation

Back

y=ax²+bx+c

Front

What are the x-intercepts?

Back

x= 0 and x= 4