Example 1
Find the constant c for the following expression, assuming it's a perfect square. What did we need to square to result in the expression?
x2 + 50x + c
Example 2
Find the constant c for the following expression, assuming it's a perfect square. What did we need to square to result in the expression?
x2 – 14x + c
Example 3
Find the constant c for the following expression, assuming it's a perfect square. What did we need to square to result in the expression?
x2 + 15x + c
Example 4
Find the constant c for the following expression, assuming it's a perfect square. What did we need to square to result in the expression?
9x2 – 60x + c
Example 5
Find the constant c for the following expression, assuming it's a perfect square. What did we need to square to result in the expression?
25x2 + 120x + c
Example 6
Solve, or state that the equation has no real number solutions:
x2 + 2x = 2
Example 7
Solve, or state that the equation has no real number solutions:
x2 – 4x = 12
Example 8
Solve, or state that the equation has no real number solutions:
2x2 + 16x – 18 = 0
Example 9
Solve, or state that the equation has no real number solutions:
Example 10
Solve, or state that the equation has no real number solutions:
4x2 – 4x + 1 = 144