Pearson Algebra 1 Common Core, 2011
PA
Pearson Algebra 1 Common Core, 2011 View details
5. Completing the Square
Continue to next subchapter

Exercise 65 Page 581

Substitute 2 for a, 4 for b and 2 for c in the given expression.

0
Practice makes perfect
To evaluate the given expression for a = 2, b = 4 and c = 2, we should substitute these values into the expression and simplify as much as possible.
b^2 - 4ac
(4)^2 - 4(2)(2)
16 - 4(2)(2)
16 - 16
0