Question

If we used the quadratic expression below to complete a diamond, what value would go at the very TOP of the diamond? part 1

x^2 - 4x + 5
a. -4
b. 4
c. 1
d. 5

Answer 1

9514 1404 393

Answer:

d. 5

Explanation:

Using the "diamond method" for factoring a quadratic, the top number is the product of the leading coefficient and the constant. For this quadratic, it is ...

(1)(5) = 5

The very top number is 5.